12912916254 has 32 divisors (see below), whose sum is σ = 30201642240. Its totient is φ = 3603604032.

The previous prime is 12912916229. The next prime is 12912916259. The reversal of 12912916254 is 45261921921.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912916259) 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, 3573199 + ... + 3576810.

It is an arithmetic number, because the mean of its divisors is an integer number (943801320).

Almost surely, 2^12912916254 is an apocalyptic number.

12912916254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12912916254 is an abundant number, since it is smaller than the sum of its proper divisors (17288725986).

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

12912916254 is a wasteful number, since it uses less digits than its factorization.

12912916254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150064.

The product of its digits is 77760, while the sum is 42.

The spelling of 12912916254 in words is "twelve billion, nine hundred twelve million, nine hundred sixteen thousand, two hundred fifty-four".