321012320200402 has 16 divisors (see below), whose sum is σ = 508720918296960. Its totient is φ = 151674199711888.

The previous prime is 321012320200349. The next prime is 321012320200417. The reversal of 321012320200402 is 204002023210123.

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, 58879733188 + ... + 58879738639.

It is an arithmetic number, because the mean of its divisors is an integer number (31795057393560).

Almost surely, 2^{321012320200402} is an apocalyptic number.

321012320200402 is a deficient number, since it is larger than the sum of its proper divisors (187708598096558).

321012320200402 is a wasteful number, since it uses less digits than its factorization.

321012320200402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117759471905.

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

Adding to 321012320200402 its reverse (204002023210123), we get a palindrome (525014343410525).

The spelling of 321012320200402 in words is "three hundred twenty-one trillion, twelve billion, three hundred twenty million, two hundred thousand, four hundred two".