321242304212 has 12 divisors (see below), whose sum is σ = 562216659060. Its totient is φ = 160608973056.

The previous prime is 321242304197. The next prime is 321242304233. The reversal of 321242304212 is 212403242123.

It can be written as a sum of positive squares in 2 ways, for example, as 239007565456 + 82234738756 = 488884^2 + 286766^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2985287 + ... + 3091022.

It is an arithmetic number, because the mean of its divisors is an integer number (46851388255).

Almost surely, 2^321242304212 is an apocalyptic number.

It is an amenable number.

321242304212 is a deficient number, since it is larger than the sum of its proper divisors (240974354848).

321242304212 is a wasteful number, since it uses less digits than its factorization.

321242304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089530 (or 6089528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 321242304212 its reverse (212403242123), we get a palindrome (533645546335).

The spelling of 321242304212 in words is "three hundred twenty-one billion, two hundred forty-two million, three hundred four thousand, two hundred twelve".