105040442012 has 12 divisors (see below), whose sum is σ = 200531753016. Its totient is φ = 47745655440.

The previous prime is 105040441991. The next prime is 105040442029. The reversal of 105040442012 is 210244040501.

It is a super-2 number, since 2×105040442012² (a number of 23 digits) contains 22 as substring.

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, 1193641343 + ... + 1193641430.

It is an arithmetic number, because the mean of its divisors is an integer number (16710979418).

Almost surely, 2^105040442012 is an apocalyptic number.

It is an amenable number.

105040442012 is a deficient number, since it is larger than the sum of its proper divisors (95491311004).

105040442012 is a wasteful number, since it uses less digits than its factorization.

105040442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387282788 (or 2387282786 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 105040442012 its reverse (210244040501), we get a palindrome (315284482513).

The spelling of 105040442012 in words is "one hundred five billion, forty million, four hundred forty-two thousand, twelve".