12156253636366 has 8 divisors (see below), whose sum is σ = 20839291948080. Its totient is φ = 5209822987008.

The previous prime is 12156253636363. The next prime is 12156253636367. The reversal of 12156253636366 is 66363635265121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156253636363) 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, 434151915571 + ... + 434151915598.

It is an arithmetic number, because the mean of its divisors is an integer number (2604911493510).

Almost surely, 2^{12156253636366} is an apocalyptic number.

12156253636366 is a deficient number, since it is larger than the sum of its proper divisors (8683038311714).

12156253636366 is an equidigital number, since it uses as much as digits as its factorization.

12156253636366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868303831178.

The product of its digits is 20995200, while the sum is 55.

The spelling of 12156253636366 in words is "twelve trillion, one hundred fifty-six billion, two hundred fifty-three million, six hundred thirty-six thousand, three hundred sixty-six".