12087659137 has 2 divisors, whose sum is σ = 12087659138. Its totient is φ = 12087659136.

The previous prime is 12087659123. The next prime is 12087659149. The reversal of 12087659137 is 73195678021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7524521536 + 4563137601 = 86744^2 + 67551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12087659137 - 2⁷ = 12087659009 is a prime.

It is a super-2 number, since 2×12087659137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12087656137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6043829568 + 6043829569.

It is an arithmetic number, because the mean of its divisors is an integer number (6043829569).

Almost surely, 2^12087659137 is an apocalyptic number.

It is an amenable number.

12087659137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12087659137 is an equidigital number, since it uses as much as digits as its factorization.

12087659137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 12087659137 in words is "twelve billion, eighty-seven million, six hundred fifty-nine thousand, one hundred thirty-seven".