12598742227 has 2 divisors, whose sum is σ = 12598742228. Its totient is φ = 12598742226.

The previous prime is 12598742207. The next prime is 12598742251. The reversal of 12598742227 is 72224789521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12598742227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12598742207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6299371113 + 6299371114.

It is an arithmetic number, because the mean of its divisors is an integer number (6299371114).

Almost surely, 2^12598742227 is an apocalyptic number.

12598742227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12598742227 is an equidigital number, since it uses as much as digits as its factorization.

12598742227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The spelling of 12598742227 in words is "twelve billion, five hundred ninety-eight million, seven hundred forty-two thousand, two hundred twenty-seven".