138512122362 has 24 divisors (see below), whose sum is σ = 311224769856. Its totient is φ = 46170707292.

The previous prime is 138512122339. The next prime is 138512122381. The reversal of 138512122362 is 263221215831.

138512122362 is a `hidden beast` number, since 1 + 3 + 85 + 1 + 212 + 2 + 362 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142501698 + ... + 142502669.

It is an arithmetic number, because the mean of its divisors is an integer number (12967698744).

Almost surely, 2^138512122362 is an apocalyptic number.

138512122362 is an abundant number, since it is smaller than the sum of its proper divisors (172712647494).

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

138512122362 is an equidigital number, since it uses as much as digits as its factorization.

138512122362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285004384 (or 285004372 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 138512122362 in words is "one hundred thirty-eight billion, five hundred twelve million, one hundred twenty-two thousand, three hundred sixty-two".