12220202312331 has 32 divisors (see below), whose sum is σ = 17601084748800. Its totient is φ = 7496955648000.

The previous prime is 12220202312309. The next prime is 12220202312371. The reversal of 12220202312331 is 13321320202221.

12220202312331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220202312331 - 2¹⁵ = 12220202279563 is a prime.

It is a super-2 number, since 2×12220202312331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220202312371) 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, 20207406 + ... + 20803356.

It is an arithmetic number, because the mean of its divisors is an integer number (550033898400).

Almost surely, 2^{12220202312331} is an apocalyptic number.

12220202312331 is a deficient number, since it is larger than the sum of its proper divisors (5380882436469).

12220202312331 is a wasteful number, since it uses less digits than its factorization.

12220202312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597587.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12220202312331 its reverse (13321320202221), we get a palindrome (25541522514552).

The spelling of 12220202312331 in words is "twelve trillion, two hundred twenty billion, two hundred two million, three hundred twelve thousand, three hundred thirty-one".