12998163921012 has 96 divisors (see below), whose sum is σ = 35067092121600. Its totient is φ = 4160232117216.

The previous prime is 12998163921007. The next prime is 12998163921047. The reversal of 12998163921012 is 21012936189921.

It is a happy number.

12998163921012 is a `hidden beast` number, since 1 + 299 + 8 + 163 + 92 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12998163921012.

It is a congruent 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, 23445628 + ... + 23993619.

It is an arithmetic number, because the mean of its divisors is an integer number (365282209600).

Almost surely, 2^{12998163921012} is an apocalyptic number.

12998163921012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12998163921012 is an abundant number, since it is smaller than the sum of its proper divisors (22068928200588).

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

12998163921012 is a wasteful number, since it uses less digits than its factorization.

12998163921012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47439362 (or 47439354 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 12998163921012 in words is "twelve trillion, nine hundred ninety-eight billion, one hundred sixty-three million, nine hundred twenty-one thousand, twelve".