321303212102 has 16 divisors (see below), whose sum is σ = 504009866592. Its totient is φ = 153330492480.

The previous prime is 321303212077. The next prime is 321303212129. The reversal of 321303212102 is 201212303123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621049 + ... + 7663092.

It is an arithmetic number, because the mean of its divisors is an integer number (31500616662).

Almost surely, 2^321303212102 is an apocalyptic number.

321303212102 is a deficient number, since it is larger than the sum of its proper divisors (182706654490).

321303212102 is a wasteful number, since it uses less digits than its factorization.

321303212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15284623.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321303212102 its reverse (201212303123), we get a palindrome (522515515225).

The spelling of 321303212102 in words is "three hundred twenty-one billion, three hundred three million, two hundred twelve thousand, one hundred two".