451612623215012 has 12 divisors (see below), whose sum is σ = 903225246430080. Its totient is φ = 193548267092136.

The previous prime is 451612623214999. The next prime is 451612623215029. The reversal of 451612623215012 is 210512326216154.

It is a happy number.

451612623215012 is an admirable number.

It is a super-2 number, since 2×451612623215012² (a number of 30 digits) contains 22 as substring.

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, 8064511128812 + ... + 8064511128867.

It is an arithmetic number, because the mean of its divisors is an integer number (75268770535840).

Almost surely, 2^{451612623215012} is an apocalyptic number.

It is an amenable number.

451612623215012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451612623215012 is a wasteful number, since it uses less digits than its factorization.

451612623215012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129022257690 (or 16129022257688 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 451612623215012 in words is "four hundred fifty-one trillion, six hundred twelve billion, six hundred twenty-three million, two hundred fifteen thousand, twelve".