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1112211102012 = 2231132671130707
BaseRepresentation
bin10000001011110100111…
…100101001100100111100
310221022210220102000121020
4100023310330221210330
5121210302020231022
62210535343504140
7143232425245023
oct20136474514474
93838726360536
101112211102012
1139976019873a
1215b6792b8050
1380b5b8b341a
143bb8d1578ba
151dde7a2035c
hex102f4f2993c

1112211102012 has 48 divisors (see below), whose sum is σ = 2618308530432. Its totient is φ = 367430452480.

The previous prime is 1112211102011. The next prime is 1112211102019. The reversal of 1112211102012 is 2102011122111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112211101982 and 1112211102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211102011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36204763 + ... + 36235469.

It is an arithmetic number, because the mean of its divisors is an integer number (54548094384).

Almost surely, 21112211102012 is an apocalyptic number.

1112211102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112211102012 is an abundant number, since it is smaller than the sum of its proper divisors (1506097428420).

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

1112211102012 is a wasteful number, since it uses less digits than its factorization.

1112211102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57538 (or 57536 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112211102012 its reverse (2102011122111), we get a palindrome (3214222224123).

The spelling of 1112211102012 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 26711 30707 53422 61414 80133 92121 106844 122828 160266 184242 320532 368484 3018343 3469891 6036686 6939782 9055029 10409673 12073372 13879564 18110058 20819346 36220116 41638692 820214677 1640429354 2460644031 3280858708 4921288062 9842576124 92684258501 185368517002 278052775503 370737034004 556105551006 1112211102012