12210220222031 has 12 divisors (see below), whose sum is σ = 13221952349688. Its totient is φ = 11270772530784.

The previous prime is 12210220222027. The next prime is 12210220222061. The reversal of 12210220222031 is 13022202201221.

It is not a de Polignac number, because 12210220222031 - 2² = 12210220222027 is a prime.

It is a super-2 number, since 2×12210220222031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210220221994 and 12210220222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210220222061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9373601 + ... + 10596453.

It is an arithmetic number, because the mean of its divisors is an integer number (1101829362474).

Almost surely, 2^{12210220222031} is an apocalyptic number.

12210220222031 is a deficient number, since it is larger than the sum of its proper divisors (1011732127657).

12210220222031 is a wasteful number, since it uses less digits than its factorization.

12210220222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281962 (or 1281949 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12210220222031 its reverse (13022202201221), we get a palindrome (25232422423252).

The spelling of 12210220222031 in words is "twelve trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-two thousand, thirty-one".