321254012 has 24 divisors (see below), whose sum is σ = 572439504. Its totient is φ = 157715712.

The previous prime is 321253991. The next prime is 321254027. The reversal of 321254012 is 210452123.

It is a super-2 number, since 2×321254012² = 206408280452192288, which 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, 88538 + ... + 92094.

It is an arithmetic number, because the mean of its divisors is an integer number (23851646).

Almost surely, 2^321254012 is an apocalyptic number.

It is an amenable number.

321254012 is a deficient number, since it is larger than the sum of its proper divisors (251185492).

321254012 is a wasteful number, since it uses less digits than its factorization.

321254012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 321254012 is about 17923.5602490130. The cubic root of 321254012 is about 684.8826850794.

The spelling of 321254012 in words is "three hundred twenty-one million, two hundred fifty-four thousand, twelve".