122231311213 has 16 divisors (see below), whose sum is σ = 141001846272. Its totient is φ = 104912064000.

The previous prime is 122231311121. The next prime is 122231311231. The reversal of 122231311213 is 312113132221.

It is a cyclic number.

It is not a de Polignac number, because 122231311213 - 2²¹ = 122229214061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231321213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357356 + ... + 4385317.

It is an arithmetic number, because the mean of its divisors is an integer number (8812615392).

Almost surely, 2^122231311213 is an apocalyptic number.

It is an amenable number.

122231311213 is a deficient number, since it is larger than the sum of its proper divisors (18770535059).

122231311213 is a wasteful number, since it uses less digits than its factorization.

122231311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742756.

The product of its digits is 432, while the sum is 22.

Adding to 122231311213 its reverse (312113132221), we get a palindrome (434344443434).

The spelling of 122231311213 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred eleven thousand, two hundred thirteen".