122132022231213 has 6 divisors (see below), whose sum is σ = 176412921000654. Its totient is φ = 81421348154136.

The previous prime is 122132022231209. The next prime is 122132022231257. The reversal of 122132022231213 is 312132220231221.

122132022231213 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 320 + 2 + 22 + 312 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69924432098889 + 52207590132324 = 8362083^2 + 7225482^2 .

It is not a de Polignac number, because 122132022231213 - 2² = 122132022231209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122132022231203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6785112346170 + ... + 6785112346187.

It is an arithmetic number, because the mean of its divisors is an integer number (29402153500109).

Almost surely, 2^{122132022231213} is an apocalyptic number.

It is an amenable number.

122132022231213 is a deficient number, since it is larger than the sum of its proper divisors (54280898769441).

122132022231213 is a wasteful number, since it uses less digits than its factorization.

122132022231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570224692363 (or 13570224692360 counting only the distinct ones).

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

Adding to 122132022231213 its reverse (312132220231221), we get a palindrome (434264242462434).

The spelling of 122132022231213 in words is "one hundred twenty-two trillion, one hundred thirty-two billion, twenty-two million, two hundred thirty-one thousand, two hundred thirteen".