12212320220031 has 32 divisors (see below), whose sum is σ = 16612825014720. Its totient is φ = 7977102848000.

The previous prime is 12212320220017. The next prime is 12212320220041. The reversal of 12212320220031 is 13002202321221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212320220031 is a prime.

It is a super-2 number, since 2×12212320220031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212320220041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653020981 + ... + 653039681.

It is an arithmetic number, because the mean of its divisors is an integer number (519150781710).

Almost surely, 2^{12212320220031} is an apocalyptic number.

12212320220031 is a deficient number, since it is larger than the sum of its proper divisors (4400504794689).

12212320220031 is a wasteful number, since it uses less digits than its factorization.

12212320220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12212320220031 its reverse (13002202321221), we get a palindrome (25214522541252).

The spelling of 12212320220031 in words is "twelve trillion, two hundred twelve billion, three hundred twenty million, two hundred twenty thousand, thirty-one".