12565114747233 has 4 divisors (see below), whose sum is σ = 16753486329648. Its totient is φ = 8376743164820.

The previous prime is 12565114747187. The next prime is 12565114747243. The reversal of 12565114747233 is 33274741156521.

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.

It is a cyclic number.

It is not a de Polignac number, because 12565114747233 - 2¹⁴ = 12565114730849 is a prime.

It is a super-2 number, since 2×12565114747233² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12565114747243) 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, 2094185791203 + ... + 2094185791208.

It is an arithmetic number, because the mean of its divisors is an integer number (4188371582412).

Almost surely, 2^{12565114747233} is an apocalyptic number.

It is an amenable number.

12565114747233 is a deficient number, since it is larger than the sum of its proper divisors (4188371582415).

12565114747233 is an equidigital number, since it uses as much as digits as its factorization.

12565114747233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188371582414.

The product of its digits is 4233600, while the sum is 51.

The spelling of 12565114747233 in words is "twelve trillion, five hundred sixty-five billion, one hundred fourteen million, seven hundred forty-seven thousand, two hundred thirty-three".