12451431455452 has 24 divisors (see below), whose sum is σ = 23772513461760. Its totient is φ = 5659360888560.

The previous prime is 12451431455447. The next prime is 12451431455461. The reversal of 12451431455452 is 25455413415421.

It is a super-2 number, since 2×12451431455452² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854938 + ... + 10164289.

It is an arithmetic number, because the mean of its divisors is an integer number (990521394240).

Almost surely, 2^{12451431455452} is an apocalyptic number.

It is an amenable number.

12451431455452 is a deficient number, since it is larger than the sum of its proper divisors (11321082006308).

12451431455452 is a wasteful number, since it uses less digits than its factorization.

12451431455452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19034121 (or 19034119 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 46.

The spelling of 12451431455452 in words is "twelve trillion, four hundred fifty-one billion, four hundred thirty-one million, four hundred fifty-five thousand, four hundred fifty-two".