12415261231 has 2 divisors, whose sum is σ = 12415261232. Its totient is φ = 12415261230.

The previous prime is 12415261193. The next prime is 12415261259. The reversal of 12415261231 is 13216251421.

It is an a-pointer prime, because the next prime (12415261259) can be obtained adding 12415261231 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12415261231 - 2¹¹ = 12415259183 is a prime.

It is a super-2 number, since 2×12415261231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12415261231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12415201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207630615 + 6207630616.

It is an arithmetic number, because the mean of its divisors is an integer number (6207630616).

Almost surely, 2^12415261231 is an apocalyptic number.

12415261231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415261231 is an equidigital number, since it uses as much as digits as its factorization.

12415261231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The spelling of 12415261231 in words is "twelve billion, four hundred fifteen million, two hundred sixty-one thousand, two hundred thirty-one".