321430434044212 has 48 divisors (see below), whose sum is σ = 612907086451968. Its totient is φ = 146912953640960.

The previous prime is 321430434044207. The next prime is 321430434044221. The reversal of 321430434044212 is 212440434034123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383446693 + ... + 384284044.

It is an arithmetic number, because the mean of its divisors is an integer number (12768897634416).

Almost surely, 2^{321430434044212} is an apocalyptic number.

It is an amenable number.

321430434044212 is a deficient number, since it is larger than the sum of its proper divisors (291476652407756).

321430434044212 is a wasteful number, since it uses less digits than its factorization.

321430434044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767730936 (or 767730934 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 321430434044212 its reverse (212440434034123), we get a palindrome (533870868078335).

The spelling of 321430434044212 in words is "three hundred twenty-one trillion, four hundred thirty billion, four hundred thirty-four million, forty-four thousand, two hundred twelve".