12139305910 has 16 divisors (see below), whose sum is σ = 21856162896. Its totient is φ = 4854519648.

The previous prime is 12139305859. The next prime is 12139305943. The reversal of 12139305910 is 1950393121.

12139305910 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 107364 + ... + 189223.

It is an arithmetic number, because the mean of its divisors is an integer number (1366010181).

Almost surely, 2^12139305910 is an apocalyptic number.

12139305910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12139305910 is a deficient number, since it is larger than the sum of its proper divisors (9716856986).

12139305910 is a wasteful number, since it uses less digits than its factorization.

12139305910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300687.

The product of its (nonzero) digits is 7290, while the sum is 34.

The spelling of 12139305910 in words is "twelve billion, one hundred thirty-nine million, three hundred five thousand, nine hundred ten".