104243112012 has 36 divisors (see below), whose sum is σ = 263383489320. Its totient is φ = 32074803072.

The previous prime is 104243111989. The next prime is 104243112019. The reversal of 104243112012 is 210211342401.

It is a self number, because there is not a number n which added to its sum of digits gives 104243112012.

It is not an unprimeable number, because it can be changed into a prime (104243112019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25698937 + ... + 25702992.

Almost surely, 2^104243112012 is an apocalyptic number.

104243112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104243112012 is an abundant number, since it is smaller than the sum of its proper divisors (159140377308).

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

104243112012 is a wasteful number, since it uses less digits than its factorization.

104243112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51401962 (or 51401947 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 104243112012 its reverse (210211342401), we get a palindrome (314454454413).

The spelling of 104243112012 in words is "one hundred four billion, two hundred forty-three million, one hundred twelve thousand, twelve".