12139833615 has 48 divisors (see below), whose sum is σ = 24037521408. Its totient is φ = 5122735488.

The previous prime is 12139833593. The next prime is 12139833733. The reversal of 12139833615 is 51633893121.

It is not a de Polignac number, because 12139833615 - 2⁵ = 12139833583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324319 + ... + 359808.

It is an arithmetic number, because the mean of its divisors is an integer number (500781696).

Almost surely, 2^12139833615 is an apocalyptic number.

12139833615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12139833615 is a deficient number, since it is larger than the sum of its proper divisors (11897687793).

12139833615 is a wasteful number, since it uses less digits than its factorization.

12139833615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684168 (or 684155 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The spelling of 12139833615 in words is "twelve billion, one hundred thirty-nine million, eight hundred thirty-three thousand, six hundred fifteen".