12418811731 has 2 divisors, whose sum is σ = 12418811732. Its totient is φ = 12418811730.

The previous prime is 12418811701. The next prime is 12418811753. The reversal of 12418811731 is 13711881421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12418811731 - 2¹³ = 12418803539 is a prime.

It is a super-2 number, since 2×12418811731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12418811701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209405865 + 6209405866.

It is an arithmetic number, because the mean of its divisors is an integer number (6209405866).

Almost surely, 2^12418811731 is an apocalyptic number.

12418811731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418811731 is an equidigital number, since it uses as much as digits as its factorization.

12418811731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 37.

The spelling of 12418811731 in words is "twelve billion, four hundred eighteen million, eight hundred eleven thousand, seven hundred thirty-one".