12251451315 has 16 divisors (see below), whose sum is σ = 19785523968. Its totient is φ = 6473040096.

The previous prime is 12251451293. The next prime is 12251451337. The reversal of 12251451315 is 51315415221.

It is an interprime number because it is at equal distance from previous prime (12251451293) and next prime (12251451337).

It is not a de Polignac number, because 12251451315 - 2⁵ = 12251451283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3815047 + ... + 3818256.

It is an arithmetic number, because the mean of its divisors is an integer number (1236595248).

Almost surely, 2^12251451315 is an apocalyptic number.

12251451315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12251451315 is a deficient number, since it is larger than the sum of its proper divisors (7534072653).

12251451315 is a wasteful number, since it uses less digits than its factorization.

12251451315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633418.

The product of its digits is 6000, while the sum is 30.

Adding to 12251451315 its reverse (51315415221), we get a palindrome (63566866536).

The spelling of 12251451315 in words is "twelve billion, two hundred fifty-one million, four hundred fifty-one thousand, three hundred fifteen".