12400125051019 has 2 divisors, whose sum is σ = 12400125051020. Its totient is φ = 12400125051018.

The previous prime is 12400125051007. The next prime is 12400125051107. The reversal of 12400125051019 is 91015052100421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12400125051019 - 2⁷ = 12400125050891 is a prime.

It is a super-2 number, since 2×12400125051019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12400125651019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200062525509 + 6200062525510.

It is an arithmetic number, because the mean of its divisors is an integer number (6200062525510).

Almost surely, 2^{12400125051019} is an apocalyptic number.

12400125051019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400125051019 is an equidigital number, since it uses as much as digits as its factorization.

12400125051019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 12400125051019 in words is "twelve trillion, four hundred billion, one hundred twenty-five million, fifty-one thousand, nineteen".