12450375139 has 2 divisors, whose sum is σ = 12450375140. Its totient is φ = 12450375138.

The previous prime is 12450375137. The next prime is 12450375191. The reversal of 12450375139 is 93157305421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12450375139 - 2¹ = 12450375137 is a prime.

It is a super-2 number, since 2×12450375139² (a number of 21 digits) contains 22 as substring.

Together with 12450375137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12450375131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225187569 + 6225187570.

It is an arithmetic number, because the mean of its divisors is an integer number (6225187570).

Almost surely, 2^12450375139 is an apocalyptic number.

12450375139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450375139 is an equidigital number, since it uses as much as digits as its factorization.

12450375139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 12450375139 in words is "twelve billion, four hundred fifty million, three hundred seventy-five thousand, one hundred thirty-nine".