321213404002 has 16 divisors (see below), whose sum is σ = 502782198912. Its totient is φ = 153619709760.

The previous prime is 321213403999. The next prime is 321213404011. The reversal of 321213404002 is 200404312123.

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, 2333227 + ... + 2467057.

It is an arithmetic number, because the mean of its divisors is an integer number (31423887432).

Almost surely, 2^321213404002 is an apocalyptic number.

321213404002 is a deficient number, since it is larger than the sum of its proper divisors (181568794910).

321213404002 is a wasteful number, since it uses less digits than its factorization.

321213404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186033.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 321213404002 its reverse (200404312123), we get a palindrome (521617716125).

The spelling of 321213404002 in words is "three hundred twenty-one billion, two hundred thirteen million, four hundred four thousand, two".