213120010122 has 16 divisors (see below), whose sum is σ = 448673705760. Its totient is φ = 67301055792.

The previous prime is 213120010121. The next prime is 213120010133. The reversal of 213120010122 is 221010021312.

It is not an unprimeable number, because it can be changed into a prime (213120010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934736773 + ... + 934737000.

It is an arithmetic number, because the mean of its divisors is an integer number (28042106610).

Almost surely, 2^213120010122 is an apocalyptic number.

213120010122 is an abundant number, since it is smaller than the sum of its proper divisors (235553695638).

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

213120010122 is a wasteful number, since it uses less digits than its factorization.

213120010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869473797.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213120010122 its reverse (221010021312), we get a palindrome (434130031434).

The spelling of 213120010122 in words is "two hundred thirteen billion, one hundred twenty million, ten thousand, one hundred twenty-two".