12412991112 has 32 divisors (see below), whose sum is σ = 31045654080. Its totient is φ = 4135906880.

The previous prime is 12412991093. The next prime is 12412991113. The reversal of 12412991112 is 21119921421.

It is not an unprimeable number, because it can be changed into a prime (12412991113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51468 + ... + 165755.

It is an arithmetic number, because the mean of its divisors is an integer number (970176690).

Almost surely, 2^12412991112 is an apocalyptic number.

12412991112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12412991112 is an abundant number, since it is smaller than the sum of its proper divisors (18632662968).

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

12412991112 is a wasteful number, since it uses less digits than its factorization.

12412991112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219613 (or 219609 counting only the distinct ones).

The product of its digits is 2592, while the sum is 33.

The spelling of 12412991112 in words is "twelve billion, four hundred twelve million, nine hundred ninety-one thousand, one hundred twelve".