321010012 has 12 divisors (see below), whose sum is σ = 562874760. Its totient is φ = 160188656.

The previous prime is 321010009. The next prime is 321010049. The reversal of 321010012 is 210010123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76798 + ... + 80869.

It is an arithmetic number, because the mean of its divisors is an integer number (46906230).

Almost surely, 2^321010012 is an apocalyptic number.

It is an amenable number.

321010012 is a deficient number, since it is larger than the sum of its proper divisors (241864748).

321010012 is a wasteful number, since it uses less digits than its factorization.

321010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158180 (or 158178 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 321010012 is about 17916.7522726637. The cubic root of 321010012 is about 684.7092463101.

Adding to 321010012 its reverse (210010123), we get a palindrome (531020135).

The spelling of 321010012 in words is "three hundred twenty-one million, ten thousand, twelve".