104312052012 has 36 divisors (see below), whose sum is σ = 283132714200. Its totient is φ = 29803443264.

The previous prime is 104312051999. The next prime is 104312052023. The reversal of 104312052012 is 210250213401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 104312052012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88700137 + ... + 88701312.

Almost surely, 2^104312052012 is an apocalyptic number.

104312052012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104312052012 is an abundant number, since it is smaller than the sum of its proper divisors (178820662188).

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

104312052012 is a wasteful number, since it uses less digits than its factorization.

104312052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177401470 (or 177401461 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 104312052012 its reverse (210250213401), we get a palindrome (314562265413).

The spelling of 104312052012 in words is "one hundred four billion, three hundred twelve million, fifty-two thousand, twelve".