12451202251 has 2 divisors, whose sum is σ = 12451202252. Its totient is φ = 12451202250.

The previous prime is 12451202233. The next prime is 12451202273. The reversal of 12451202251 is 15220215421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12451202251 - 2¹³ = 12451194059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12451202551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225601125 + 6225601126.

It is an arithmetic number, because the mean of its divisors is an integer number (6225601126).

Almost surely, 2^12451202251 is an apocalyptic number.

12451202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451202251 is an equidigital number, since it uses as much as digits as its factorization.

12451202251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12451202251 its reverse (15220215421), we get a palindrome (27671417672).

The spelling of 12451202251 in words is "twelve billion, four hundred fifty-one million, two hundred two thousand, two hundred fifty-one".