105020155424012 has 6 divisors (see below), whose sum is σ = 183785271992028. Its totient is φ = 52510077712004.

The previous prime is 105020155423979. The next prime is 105020155424081. The reversal of 105020155424012 is 210424551020501.

It is a super-2 number, since 2×105020155424012² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105020155424012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13127519427998 + ... + 13127519428005.

It is an arithmetic number, because the mean of its divisors is an integer number (30630878665338).

Almost surely, 2^{105020155424012} is an apocalyptic number.

It is an amenable number.

105020155424012 is a deficient number, since it is larger than the sum of its proper divisors (78765116568016).

105020155424012 is a wasteful number, since it uses less digits than its factorization.

105020155424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255038856007 (or 26255038856005 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 105020155424012 in words is "one hundred five trillion, twenty billion, one hundred fifty-five million, four hundred twenty-four thousand, twelve".