12400552503223 has 2 divisors, whose sum is σ = 12400552503224. Its totient is φ = 12400552503222.

The previous prime is 12400552503221. The next prime is 12400552503277. The reversal of 12400552503223 is 32230525500421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12400552503223 - 2¹ = 12400552503221 is a prime.

It is a super-2 number, since 2×12400552503223² (a number of 27 digits) contains 22 as substring.

Together with 12400552503221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400552503221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200276251611 + 6200276251612.

It is an arithmetic number, because the mean of its divisors is an integer number (6200276251612).

Almost surely, 2^{12400552503223} is an apocalyptic number.

12400552503223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400552503223 is an equidigital number, since it uses as much as digits as its factorization.

12400552503223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 12400552503223 in words is "twelve trillion, four hundred billion, five hundred fifty-two million, five hundred three thousand, two hundred twenty-three".