12310211237 has 2 divisors, whose sum is σ = 12310211238. Its totient is φ = 12310211236.

The previous prime is 12310211203. The next prime is 12310211257. The reversal of 12310211237 is 73211201321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11134681441 + 1175529796 = 105521^2 + 34286^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310211237 - 2⁸ = 12310210981 is a prime.

It is a super-2 number, since 2×12310211237² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310211257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155105618 + 6155105619.

It is an arithmetic number, because the mean of its divisors is an integer number (6155105619).

Almost surely, 2^12310211237 is an apocalyptic number.

It is an amenable number.

12310211237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310211237 is an equidigital number, since it uses as much as digits as its factorization.

12310211237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12310211237 its reverse (73211201321), we get a palindrome (85521412558).

The spelling of 12310211237 in words is "twelve billion, three hundred ten million, two hundred eleven thousand, two hundred thirty-seven".