12210131023312 has 40 divisors (see below), whose sum is σ = 24011872907400. Its totient is φ = 6014028675072.

The previous prime is 12210131023297. The next prime is 12210131023319. The reversal of 12210131023312 is 21332013101221.

It can be written as a sum of positive squares in 4 ways, for example, as 92742175296 + 12117388848016 = 304536^2 + 3481004^2 .

It is a super-2 number, since 2×12210131023312² (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 (12210131023319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15554733 + ... + 16320844.

It is an arithmetic number, because the mean of its divisors is an integer number (600296822685).

Almost surely, 2^{12210131023312} is an apocalyptic number.

It is an amenable number.

12210131023312 is a deficient number, since it is larger than the sum of its proper divisors (11801741884088).

12210131023312 is a wasteful number, since it uses less digits than its factorization.

12210131023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875943 (or 31875937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12210131023312 its reverse (21332013101221), we get a palindrome (33542144124533).

The spelling of 12210131023312 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, twenty-three thousand, three hundred twelve".