12453654105412 has 24 divisors (see below), whose sum is σ = 23791859747096. Its totient is φ = 5669102815488.

The previous prime is 12453654105397. The next prime is 12453654105419. The reversal of 12453654105412 is 21450145635421.

It can be written as a sum of positive squares in 4 ways, for example, as 1893909925636 + 10559744179776 = 1376194^2 + 3249576^2 .

It is not an unprimeable number, because it can be changed into a prime (12453654105419) 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, 1640361603 + ... + 1640369194.

Almost surely, 2^{12453654105412} is an apocalyptic number.

It is an amenable number.

12453654105412 is a deficient number, since it is larger than the sum of its proper divisors (11338205641684).

12453654105412 is a wasteful number, since it uses less digits than its factorization.

12453654105412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280730887 (or 3280730885 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 12453654105412 in words is "twelve trillion, four hundred fifty-three billion, six hundred fifty-four million, one hundred five thousand, four hundred twelve".