12451144564705 has 32 divisors (see below), whose sum is σ = 18630707604480. Its totient is φ = 7760710077120.

The previous prime is 12451144564697. The next prime is 12451144564723. The reversal of 12451144564705 is 50746544115421.

It is not a de Polignac number, because 12451144564705 - 2³ = 12451144564697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703822 + ... + 5039608.

It is an arithmetic number, because the mean of its divisors is an integer number (582209612640).

Almost surely, 2^{12451144564705} is an apocalyptic number.

It is an amenable number.

12451144564705 is a deficient number, since it is larger than the sum of its proper divisors (6179563039775).

12451144564705 is a wasteful number, since it uses less digits than its factorization.

12451144564705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343269.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 12451144564705 in words is "twelve trillion, four hundred fifty-one billion, one hundred forty-four million, five hundred sixty-four thousand, seven hundred five".