122012233213 has 24 divisors (see below), whose sum is σ = 141276906216. Its totient is φ = 104951808000.

The previous prime is 122012233141. The next prime is 122012233219. The reversal of 122012233213 is 312332210221.

It can be written as a sum of positive squares in 12 ways, for example, as 31884387844 + 90127845369 = 178562^2 + 300213^2 .

It is not a de Polignac number, because 122012233213 - 2²⁵ = 121978678781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012233219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79933 + ... + 500413.

It is an arithmetic number, because the mean of its divisors is an integer number (5886537759).

Almost surely, 2^122012233213 is an apocalyptic number.

122012233213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122012233213 is a deficient number, since it is larger than the sum of its proper divisors (19264673003).

122012233213 is a wasteful number, since it uses less digits than its factorization.

122012233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420625 (or 420612 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122012233213 its reverse (312332210221), we get a palindrome (434344443434).

The spelling of 122012233213 in words is "one hundred twenty-two billion, twelve million, two hundred thirty-three thousand, two hundred thirteen".