321151252000 has 48 divisors (see below), whose sum is σ = 789068635992. Its totient is φ = 128460499200.

The previous prime is 321151251991. The next prime is 321151252001. The reversal of 321151252000 is 252151123.

It can be written as a sum of positive squares in 4 ways, for example, as 103588709904 + 217562542096 = 321852^2 + 466436^2 .

It is a super-2 number, since 2×321151252000² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321151252001) 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, 40139907 + ... + 40147906.

Almost surely, 2^321151252000 is an apocalyptic number.

It is an amenable number.

321151252000 is an abundant number, since it is smaller than the sum of its proper divisors (467917383992).

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

321151252000 is an equidigital number, since it uses as much as digits as its factorization.

321151252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80287838 (or 80287820 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 321151252000 in words is "three hundred twenty-one billion, one hundred fifty-one million, two hundred fifty-two thousand".