12465404446045 has 8 divisors (see below), whose sum is σ = 14965433088696. Its totient is φ = 9967691721216.

The previous prime is 12465404446043. The next prime is 12465404446087. The reversal of 12465404446045 is 54064440456421.

It can be written as a sum of positive squares in 4 ways, for example, as 382174949209 + 12083229496836 = 618203^2 + 3476094^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12465404446045 - 2¹ = 12465404446043 is a prime.

It is a super-2 number, since 2×12465404446045² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12465404446045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465404446043) 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, 578967612 + ... + 578989141.

It is an arithmetic number, because the mean of its divisors is an integer number (1870679136087).

Almost surely, 2^{12465404446045} is an apocalyptic number.

It is an amenable number.

12465404446045 is a deficient number, since it is larger than the sum of its proper divisors (2500028642651).

12465404446045 is a wasteful number, since it uses less digits than its factorization.

12465404446045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157958911.

The product of its (nonzero) digits is 7372800, while the sum is 49.

The spelling of 12465404446045 in words is "twelve trillion, four hundred sixty-five billion, four hundred four million, four hundred forty-six thousand, forty-five".