12452656451465 has 4 divisors (see below), whose sum is σ = 14943187741764. Its totient is φ = 9962125161168.

The previous prime is 12452656451449. The next prime is 12452656451471. The reversal of 12452656451465 is 56415465625421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4694710225984 + 7757946225481 = 2166728^2 + 2785309^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452656451465 - 2⁴ = 12452656451449 is a prime.

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 12452656451465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245265645142 + ... + 1245265645151.

It is an arithmetic number, because the mean of its divisors is an integer number (3735796935441).

Almost surely, 2^{12452656451465} is an apocalyptic number.

It is an amenable number.

12452656451465 is a deficient number, since it is larger than the sum of its proper divisors (2490531290299).

12452656451465 is an equidigital number, since it uses as much as digits as its factorization.

12452656451465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490531290298.

The product of its digits is 34560000, while the sum is 56.

The spelling of 12452656451465 in words is "twelve trillion, four hundred fifty-two billion, six hundred fifty-six million, four hundred fifty-one thousand, four hundred sixty-five".