122031222131231 has 16 divisors (see below), whose sum is σ = 147217720488000. Its totient is φ = 100991356238304.

The previous prime is 122031222131171. The next prime is 122031222131233. The reversal of 122031222131231 is 132131222130221.

It is a de Polignac number, because none of the positive numbers 2^k-122031222131231 is a prime.

It is a super-2 number, since 2×122031222131231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122031222131231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031222131233) 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, 6134061740 + ... + 6134081633.

It is an arithmetic number, because the mean of its divisors is an integer number (9201107530500).

Almost surely, 2^{122031222131231} is an apocalyptic number.

122031222131231 is a deficient number, since it is larger than the sum of its proper divisors (25186498356769).

122031222131231 is an equidigital number, since it uses as much as digits as its factorization.

122031222131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268143423 (or 12268143409 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 122031222131231 its reverse (132131222130221), we get a palindrome (254162444261452).

The spelling of 122031222131231 in words is "one hundred twenty-two trillion, thirty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-one".