12311023112249 has 2 divisors, whose sum is σ = 12311023112250. Its totient is φ = 12311023112248.

The previous prime is 12311023112221. The next prime is 12311023112273. The reversal of 12311023112249 is 94221132011321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12291383892649 + 19639219600 = 3505907^2 + 140140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311023112249 - 2²⁸ = 12310754676793 is a prime.

It is a super-2 number, since 2×12311023112249² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12311023132249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155511556124 + 6155511556125.

It is an arithmetic number, because the mean of its divisors is an integer number (6155511556125).

Almost surely, 2^{12311023112249} is an apocalyptic number.

It is an amenable number.

12311023112249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311023112249 is an equidigital number, since it uses as much as digits as its factorization.

12311023112249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 12311023112249 in words is "twelve trillion, three hundred eleven billion, twenty-three million, one hundred twelve thousand, two hundred forty-nine".