213201232122 has 16 divisors (see below), whose sum is σ = 427292663040. Its totient is φ = 70918710912.

The previous prime is 213201232103. The next prime is 213201232141. The reversal of 213201232122 is 221232102312.

213201232122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213201232103) and next prime (213201232141).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37088503 + ... + 37094250.

It is an arithmetic number, because the mean of its divisors is an integer number (26705791440).

Almost surely, 2^213201232122 is an apocalyptic number.

213201232122 is an abundant number, since it is smaller than the sum of its proper divisors (214091430918).

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

213201232122 is a wasteful number, since it uses less digits than its factorization.

213201232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74183237.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213201232122 its reverse (221232102312), we get a palindrome (434433334434).

The spelling of 213201232122 in words is "two hundred thirteen billion, two hundred one million, two hundred thirty-two thousand, one hundred twenty-two".