12220031031973 has 2 divisors, whose sum is σ = 12220031031974. Its totient is φ = 12220031031972.

The previous prime is 12220031031863. The next prime is 12220031032009. The reversal of 12220031031973 is 37913013002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11754358542369 + 465672489604 = 3428463^2 + 682402^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220031031973 - 2¹⁷ = 12220030900901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220031035973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110015515986 + 6110015515987.

It is an arithmetic number, because the mean of its divisors is an integer number (6110015515987).

Almost surely, 2^{12220031031973} is an apocalyptic number.

It is an amenable number.

12220031031973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220031031973 is an equidigital number, since it uses as much as digits as its factorization.

12220031031973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 12220031031973 in words is "twelve trillion, two hundred twenty billion, thirty-one million, thirty-one thousand, nine hundred seventy-three".