12139833616 has 40 divisors (see below), whose sum is σ = 24844354304. Its totient is φ = 5737495680.

The previous prime is 12139833593. The next prime is 12139833733. The reversal of 12139833616 is 61633893121.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263271 + ... + 305926.

Almost surely, 2^12139833616 is an apocalyptic number.

12139833616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12139833616 is an abundant number, since it is smaller than the sum of its proper divisors (12704520688).

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

12139833616 is a wasteful number, since it uses less digits than its factorization.

12139833616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569279 (or 569273 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The spelling of 12139833616 in words is "twelve billion, one hundred thirty-nine million, eight hundred thirty-three thousand, six hundred sixteen".