12912151506 has 16 divisors (see below), whose sum is σ = 26114464800. Its totient is φ = 4255690208.

The previous prime is 12912151433. The next prime is 12912151507. The reversal of 12912151506 is 60515121921.

It is a super-3 number, since 3×12912151506³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12912151507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12089496 + ... + 12090563.

It is an arithmetic number, because the mean of its divisors is an integer number (1632154050).

Almost surely, 2^12912151506 is an apocalyptic number.

12912151506 is an abundant number, since it is smaller than the sum of its proper divisors (13202313294).

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

12912151506 is a wasteful number, since it uses less digits than its factorization.

12912151506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180153.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 12912151506 in words is "twelve billion, nine hundred twelve million, one hundred fifty-one thousand, five hundred six".