12938685380 has 48 divisors (see below), whose sum is σ = 29438640000. Its totient is φ = 4757749248.

The previous prime is 12938685371. The next prime is 12938685391. The reversal of 12938685380 is 8358683921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427880 + ... + 457119.

It is an arithmetic number, because the mean of its divisors is an integer number (613305000).

Almost surely, 2^12938685380 is an apocalyptic number.

12938685380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12938685380 is an abundant number, since it is smaller than the sum of its proper divisors (16499954620).

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

12938685380 is a wasteful number, since it uses less digits than its factorization.

12938685380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885068 (or 885066 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 12938685380 in words is "twelve billion, nine hundred thirty-eight million, six hundred eighty-five thousand, three hundred eighty".