12653530861129 has 4 divisors (see below), whose sum is σ = 12653539362576. Its totient is φ = 12653522359684.

The previous prime is 12653530861051. The next prime is 12653530861159. The reversal of 12653530861129 is 92116803535621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12653530861129 - 2⁴³ = 3857437838921 is a prime.

It is a super-2 number, since 2×12653530861129² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12653530861159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365199 + ... + 5212564.

It is an arithmetic number, because the mean of its divisors is an integer number (3163384840644).

Almost surely, 2^{12653530861129} is an apocalyptic number.

It is an amenable number.

12653530861129 is a deficient number, since it is larger than the sum of its proper divisors (8501447).

12653530861129 is an equidigital number, since it uses as much as digits as its factorization.

12653530861129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501446.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 12653530861129 in words is "twelve trillion, six hundred fifty-three billion, five hundred thirty million, eight hundred sixty-one thousand, one hundred twenty-nine".