12450108731 has 2 divisors, whose sum is σ = 12450108732. Its totient is φ = 12450108730.

The previous prime is 12450108721. The next prime is 12450108823. The reversal of 12450108731 is 13780105421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12450108731 - 2¹⁰ = 12450107707 is a prime.

It is a super-4 number, since 4×12450108731⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12450108721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225054365 + 6225054366.

It is an arithmetic number, because the mean of its divisors is an integer number (6225054366).

Almost surely, 2^12450108731 is an apocalyptic number.

12450108731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450108731 is an equidigital number, since it uses as much as digits as its factorization.

12450108731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 12450108731 in words is "twelve billion, four hundred fifty million, one hundred eight thousand, seven hundred thirty-one".