12312231133351 has 2 divisors, whose sum is σ = 12312231133352. Its totient is φ = 12312231133350.

The previous prime is 12312231133339. The next prime is 12312231133381. The reversal of 12312231133351 is 15333113221321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312231133351 - 2²³ = 12312222744743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312231133381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156115566675 + 6156115566676.

It is an arithmetic number, because the mean of its divisors is an integer number (6156115566676).

Almost surely, 2^{12312231133351} is an apocalyptic number.

12312231133351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312231133351 is an equidigital number, since it uses as much as digits as its factorization.

12312231133351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

Adding to 12312231133351 its reverse (15333113221321), we get a palindrome (27645344354672).

The spelling of 12312231133351 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred fifty-one".