12939215382 has 24 divisors (see below), whose sum is σ = 28292172480. Its totient is φ = 4273501680.

The previous prime is 12939215257. The next prime is 12939215383. The reversal of 12939215382 is 28351293921.

12939215382 is a `hidden beast` number, since 1 + 2 + 93 + 9 + 21 + 538 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939215383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3295494 + ... + 3299417.

It is an arithmetic number, because the mean of its divisors is an integer number (1178840520).

Almost surely, 2^12939215382 is an apocalyptic number.

12939215382 is an abundant number, since it is smaller than the sum of its proper divisors (15352957098).

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

12939215382 is a wasteful number, since it uses less digits than its factorization.

12939215382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595028 (or 6595025 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 12939215382 in words is "twelve billion, nine hundred thirty-nine million, two hundred fifteen thousand, three hundred eighty-two".