451532129812 has 12 divisors (see below), whose sum is σ = 811537476820. Its totient is φ = 219664279296.

The previous prime is 451532129771. The next prime is 451532129837. The reversal of 451532129812 is 218921235154.

It can be written as a sum of positive squares in 2 ways, for example, as 345102202116 + 106429927696 = 587454^2 + 326236^2 .

It is a congruent number.

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, 1525446237 + ... + 1525446532.

Almost surely, 2^451532129812 is an apocalyptic number.

It is an amenable number.

451532129812 is a deficient number, since it is larger than the sum of its proper divisors (360005347008).

451532129812 is a wasteful number, since it uses less digits than its factorization.

451532129812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050892810 (or 3050892808 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The spelling of 451532129812 in words is "four hundred fifty-one billion, five hundred thirty-two million, one hundred twenty-nine thousand, eight hundred twelve".