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11001111201012 = 223916759266751
BaseRepresentation
bin1010000000010110010101…
…0100110100010011110100
31102221200210100120112112110
42200011211110310103310
52420220233431413022
635221501332251020
72213542535220402
oct240054524642364
942850710515473
1011001111201012
1135615aa524759
121298109a70a70
1361a5286c714a
142a0656d8c472
1514126e00400c
hexa01655344f4

11001111201012 has 12 divisors (see below), whose sum is σ = 25669259469056. Its totient is φ = 3667037067000.

The previous prime is 11001111201011. The next prime is 11001111201079. The reversal of 11001111201012 is 21010211110011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 916759266751 = 11001111201012 / (1 + 1 + 0 + 0 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001111201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458379633364 + ... + 458379633387.

Almost surely, 211001111201012 is an apocalyptic number.

11001111201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001111201012 is an abundant number, since it is smaller than the sum of its proper divisors (14668148268044).

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

11001111201012 is a wasteful number, since it uses less digits than its factorization.

11001111201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916759266758 (or 916759266756 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11001111201012 its reverse (21010211110011), we get a palindrome (32011322311023).

The spelling of 11001111201012 in words is "eleven trillion, one billion, one hundred eleven million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 916759266751 1833518533502 2750277800253 3667037067004 5500555600506 11001111201012