12959919749112 has 64 divisors (see below), whose sum is σ = 39206479921920. Its totient is φ = 3485020435968.

The previous prime is 12959919749111. The next prime is 12959919749159. The reversal of 12959919749112 is 21194791995921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12959919749111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268890658 + ... + 2268896369.

It is an arithmetic number, because the mean of its divisors is an integer number (612601248780).

Almost surely, 2^{12959919749112} is an apocalyptic number.

12959919749112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12959919749112 is an abundant number, since it is smaller than the sum of its proper divisors (26246560172808).

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

12959919749112 is a wasteful number, since it uses less digits than its factorization.

12959919749112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537787060 (or 4537787056 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 69.

The spelling of 12959919749112 in words is "twelve trillion, nine hundred fifty-nine billion, nine hundred nineteen million, seven hundred forty-nine thousand, one hundred twelve".