213142120303122 has 24 divisors (see below), whose sum is σ = 468700582957776. Its totient is φ = 69986964875256.

The previous prime is 213142120303111. The next prime is 213142120303139. The reversal of 213142120303122 is 221303021241312.

213142120303122 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 421 + 203 + 0 + 31 + 2 + 2 = 666.

It is a super-3 number, since 3×213142120303122³ (a number of 44 digits) contains 333 as substring.

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, 88367378688 + ... + 88367381099.

It is an arithmetic number, because the mean of its divisors is an integer number (19529190956574).

Almost surely, 2^{213142120303122} is an apocalyptic number.

213142120303122 is an abundant number, since it is smaller than the sum of its proper divisors (255558462654654).

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

213142120303122 is a wasteful number, since it uses less digits than its factorization.

213142120303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176734759862 (or 176734759859 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 213142120303122 its reverse (221303021241312), we get a palindrome (434445141544434).

The spelling of 213142120303122 in words is "two hundred thirteen trillion, one hundred forty-two billion, one hundred twenty million, three hundred three thousand, one hundred twenty-two".