322542864812 has 48 divisors (see below), whose sum is σ = 647084729088. Its totient is φ = 137804950080.

The previous prime is 322542864799. The next prime is 322542864823. The reversal of 322542864812 is 218468245223.

It is a super-2 number, since 2×322542864812² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12514523 + ... + 12540269.

It is an arithmetic number, because the mean of its divisors is an integer number (13480931856).

Almost surely, 2^322542864812 is an apocalyptic number.

It is an amenable number.

322542864812 is an abundant number, since it is smaller than the sum of its proper divisors (324541864276).

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

322542864812 is a wasteful number, since it uses less digits than its factorization.

322542864812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27126 (or 27124 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The spelling of 322542864812 in words is "three hundred twenty-two billion, five hundred forty-two million, eight hundred sixty-four thousand, eight hundred twelve".