321213130412210 has 16 divisors (see below), whose sum is σ = 578199291187392. Its totient is φ = 128481772954800.

The previous prime is 321213130412039. The next prime is 321213130412297. The reversal of 321213130412210 is 12214031312123.

It is a super-2 number, since 2×321213130412210² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321213130412210.

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, 434513486 + ... + 435252105.

It is an arithmetic number, because the mean of its divisors is an integer number (36137455699212).

Almost surely, 2^{321213130412210} is an apocalyptic number.

321213130412210 is a deficient number, since it is larger than the sum of its proper divisors (256986160775182).

321213130412210 is a wasteful number, since it uses less digits than its factorization.

321213130412210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869802529.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 321213130412210 its reverse (12214031312123), we get a palindrome (333427161724333).

The spelling of 321213130412210 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred thirty million, four hundred twelve thousand, two hundred ten".