12400027751497 has 2 divisors, whose sum is σ = 12400027751498. Its totient is φ = 12400027751496.

The previous prime is 12400027751467. The next prime is 12400027751591. The reversal of 12400027751497 is 79415772000421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11175488536576 + 1224539214921 = 3342976^2 + 1106589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400027751497 - 2¹⁹ = 12400027227209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12400027751497.

It is not a weakly prime, because it can be changed into another prime (12400027751407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200013875748 + 6200013875749.

It is an arithmetic number, because the mean of its divisors is an integer number (6200013875749).

Almost surely, 2^{12400027751497} is an apocalyptic number.

It is an amenable number.

12400027751497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400027751497 is an equidigital number, since it uses as much as digits as its factorization.

12400027751497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 12400027751497 in words is "twelve trillion, four hundred billion, twenty-seven million, seven hundred fifty-one thousand, four hundred ninety-seven".