100404112012 has 96 divisors (see below), whose sum is σ = 200705057280. Its totient is φ = 43662136320.

The previous prime is 100404112001. The next prime is 100404112027. The reversal of 100404112012 is 210211404001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8910462 + ... + 8921722.

It is an arithmetic number, because the mean of its divisors is an integer number (2090677680).

Almost surely, 2^100404112012 is an apocalyptic number.

It is an amenable number.

100404112012 is a deficient number, since it is larger than the sum of its proper divisors (100300945268).

100404112012 is a wasteful number, since it uses less digits than its factorization.

100404112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471 (or 11469 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100404112012 its reverse (210211404001), we get a palindrome (310615516013).

The spelling of 100404112012 in words is "one hundred billion, four hundred four million, one hundred twelve thousand, twelve".