12590722057 has 2 divisors, whose sum is σ = 12590722058. Its totient is φ = 12590722056.

The previous prime is 12590722009. The next prime is 12590722093. The reversal of 12590722057 is 75022709521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9475854336 + 3114867721 = 97344^2 + 55811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12590722057 is a prime.

It is a super-2 number, since 2×12590722057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12590722357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6295361028 + 6295361029.

It is an arithmetic number, because the mean of its divisors is an integer number (6295361029).

Almost surely, 2^12590722057 is an apocalyptic number.

It is an amenable number.

12590722057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12590722057 is an equidigital number, since it uses as much as digits as its factorization.

12590722057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

It can be divided in two parts, 1259072 and 2057, that added together give a square (1261129 = 1123²).

The spelling of 12590722057 in words is "twelve billion, five hundred ninety million, seven hundred twenty-two thousand, fifty-seven".