12451234331 has 2 divisors, whose sum is σ = 12451234332. Its totient is φ = 12451234330.

The previous prime is 12451234249. The next prime is 12451234343. The reversal of 12451234331 is 13343215421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12451234331 - 2¹⁸ = 12450972187 is a prime.

It is a super-2 number, since 2×12451234331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12451234294 and 12451234303.

It is not a weakly prime, because it can be changed into another prime (12451234381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225617165 + 6225617166.

It is an arithmetic number, because the mean of its divisors is an integer number (6225617166).

Almost surely, 2^12451234331 is an apocalyptic number.

12451234331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451234331 is an equidigital number, since it uses as much as digits as its factorization.

12451234331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 12451234331 its reverse (13343215421), we get a palindrome (25794449752).

The spelling of 12451234331 in words is "twelve billion, four hundred fifty-one million, two hundred thirty-four thousand, three hundred thirty-one".