12213232233131 has 2 divisors, whose sum is σ = 12213232233132. Its totient is φ = 12213232233130.

The previous prime is 12213232233127. The next prime is 12213232233173. The reversal of 12213232233131 is 13133223231221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213232233131 - 2² = 12213232233127 is a prime.

It is a super-2 number, since 2×12213232233131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213232233094 and 12213232233103.

It is not a weakly prime, because it can be changed into another prime (12213232233331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106616116565 + 6106616116566.

It is an arithmetic number, because the mean of its divisors is an integer number (6106616116566).

Almost surely, 2^{12213232233131} is an apocalyptic number.

12213232233131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213232233131 is an equidigital number, since it uses as much as digits as its factorization.

12213232233131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

Adding to 12213232233131 its reverse (13133223231221), we get a palindrome (25346455464352).

The spelling of 12213232233131 in words is "twelve trillion, two hundred thirteen billion, two hundred thirty-two million, two hundred thirty-three thousand, one hundred thirty-one".