12117633015 has 32 divisors (see below), whose sum is σ = 19923431616. Its totient is φ = 6284528640.

The previous prime is 12117632999. The next prime is 12117633043. The reversal of 12117633015 is 51033671121.

It is not a de Polignac number, because 12117633015 - 2⁴ = 12117632999 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1189845 + ... + 1199985.

It is an arithmetic number, because the mean of its divisors is an integer number (622607238).

Almost surely, 2^12117633015 is an apocalyptic number.

12117633015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12117633015 is a deficient number, since it is larger than the sum of its proper divisors (7805798601).

12117633015 is a wasteful number, since it uses less digits than its factorization.

12117633015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 12117633015 in words is "twelve billion, one hundred seventeen million, six hundred thirty-three thousand, fifteen".