12213312232131 has 6 divisors (see below), whose sum is σ = 17641451001980. Its totient is φ = 8142208154748.

The previous prime is 12213312232063. The next prime is 12213312232139. The reversal of 12213312232131 is 13123221331221.

12213312232131 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 331 + 2 + 2 + 321 + 3 + 1 = 666.

It is not a de Polignac number, because 12213312232131 - 2⁷ = 12213312232003 is a prime.

It is a super-2 number, since 2×12213312232131² (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 = 12213312232095 and 12213312232104.

It is not an unprimeable number, because it can be changed into a prime (12213312232139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678517346221 + ... + 678517346238.

Almost surely, 2^{12213312232131} is an apocalyptic number.

12213312232131 is a deficient number, since it is larger than the sum of its proper divisors (5428138769849).

12213312232131 is a wasteful number, since it uses less digits than its factorization.

12213312232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357034692465 (or 1357034692462 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12213312232131 its reverse (13123221331221), we get a palindrome (25336533563352).

The spelling of 12213312232131 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand, one hundred thirty-one".