12255423322031 has 2 divisors, whose sum is σ = 12255423322032. Its totient is φ = 12255423322030.

The previous prime is 12255423321949. The next prime is 12255423322117. The reversal of 12255423322031 is 13022332455221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12255423322031 is a prime.

It is a super-2 number, since 2×12255423322031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12255423321982 and 12255423322000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12255423342031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127711661015 + 6127711661016.

It is an arithmetic number, because the mean of its divisors is an integer number (6127711661016).

Almost surely, 2^{12255423322031} is an apocalyptic number.

12255423322031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12255423322031 is an equidigital number, since it uses as much as digits as its factorization.

12255423322031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 12255423322031 its reverse (13022332455221), we get a palindrome (25277755777252).

The spelling of 12255423322031 in words is "twelve trillion, two hundred fifty-five billion, four hundred twenty-three million, three hundred twenty-two thousand, thirty-one".