12400552503277 has 2 divisors, whose sum is σ = 12400552503278. Its totient is φ = 12400552503276.

The previous prime is 12400552503223. The next prime is 12400552503319. The reversal of 12400552503277 is 77230525500421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8345460100201 + 4055092403076 = 2888851^2 + 2013726^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400552503277 - 2⁷ = 12400552503149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400552003277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200276251638 + 6200276251639.

It is an arithmetic number, because the mean of its divisors is an integer number (6200276251639).

Almost surely, 2^{12400552503277} is an apocalyptic number.

It is an amenable number.

12400552503277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400552503277 is an equidigital number, since it uses as much as digits as its factorization.

12400552503277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 12400552503277 in words is "twelve trillion, four hundred billion, five hundred fifty-two million, five hundred three thousand, two hundred seventy-seven".