105679738012 has 12 divisors (see below), whose sum is σ = 187472960416. Its totient is φ = 52116035040.

The previous prime is 105679738007. The next prime is 105679738027. The reversal of 105679738012 is 210837976501.

It is a happy number.

It is a super-2 number, since 2×105679738012² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180958164 + ... + 180958747.

Almost surely, 2^105679738012 is an apocalyptic number.

It is an amenable number.

105679738012 is a deficient number, since it is larger than the sum of its proper divisors (81793222404).

105679738012 is a wasteful number, since it uses less digits than its factorization.

105679738012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361916988 (or 361916986 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 105679738012 in words is "one hundred five billion, six hundred seventy-nine million, seven hundred thirty-eight thousand, twelve".