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1011012102012 = 22311101643117937
BaseRepresentation
bin11101011011001010000…
…01000110011101111100
310120122121011122011120010
432231211001012131330
5113031023044231022
62052241430023220
7133020552034503
oct16554501063574
93518534564503
101011012102012
1135a849a7a150
12143b35aa7b10
137445186c733
1436d0cb8783a
151b4733e650c
hexeb6504677c

1011012102012 has 96 divisors (see below), whose sum is σ = 2603029411584. Its totient is φ = 302859648000.

The previous prime is 1011012102011. The next prime is 1011012102013. The reversal of 1011012102012 is 2102012101101.

It is an interprime number because it is at equal distance from previous prime (1011012102011) and next prime (1011012102013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8513508 + ... + 8631444.

It is an arithmetic number, because the mean of its divisors is an integer number (27114889704).

Almost surely, 21011012102012 is an apocalyptic number.

1011012102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011012102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301514705792).

1011012102012 is an abundant number, since it is smaller than the sum of its proper divisors (1592017309572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011012102012 is a wasteful number, since it uses less digits than its factorization.

1011012102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118699 (or 118697 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011012102012 its reverse (2102012101101), we get a palindrome (3113024203113).

It can be divided in two parts, 101101 and 2102012, that multiplied together give a palindrome (212515515212).

The spelling of 1011012102012 in words is "one trillion, eleven billion, twelve million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 101 132 202 303 404 606 643 1111 1212 1286 1929 2222 2572 3333 3858 4444 6666 7073 7716 13332 14146 21219 28292 42438 64943 84876 117937 129886 194829 235874 259772 353811 389658 471748 707622 714373 779316 1297307 1415244 1428746 2143119 2594614 2857492 3891921 4286238 5189228 7783842 8572476 11911637 15567684 23823274 35734911 47646548 71469822 75833491 131028007 142939644 151666982 227500473 262056014 303333964 393084021 455000946 524112028 786168042 834168401 910001892 1572336084 1668336802 2502505203 3336673604 5005010406 7659182591 10010020812 15318365182 22977547773 30636730364 45955095546 84251008501 91910191092 168502017002 252753025503 337004034004 505506051006 1011012102012