12444660612165 has 8 divisors (see below), whose sum is σ = 19911456979488. Its totient is φ = 6637152326480.

The previous prime is 12444660612149. The next prime is 12444660612169. The reversal of 12444660612165 is 56121606644421.

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

It is not a de Polignac number, because 12444660612165 - 2⁴ = 12444660612149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444660612169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414822020391 + ... + 414822020420.

It is an arithmetic number, because the mean of its divisors is an integer number (2488932122436).

Almost surely, 2^{12444660612165} is an apocalyptic number.

12444660612165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12444660612165 is a deficient number, since it is larger than the sum of its proper divisors (7466796367323).

12444660612165 is an equidigital number, since it uses as much as digits as its factorization.

12444660612165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829644040819.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 12444660612165 in words is "twelve trillion, four hundred forty-four billion, six hundred sixty million, six hundred twelve thousand, one hundred sixty-five".