321302213112 has 32 divisors (see below), whose sum is σ = 805997036880. Its totient is φ = 106735203840.

The previous prime is 321302213081. The next prime is 321302213119. The reversal of 321302213112 is 211312203123.

It is a super-2 number, since 2×321302213112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321302213119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22838689 + ... + 22852752.

Almost surely, 2^321302213112 is an apocalyptic number.

It is an amenable number.

321302213112 is an abundant number, since it is smaller than the sum of its proper divisors (484694823768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321302213112 is a wasteful number, since it uses less digits than its factorization.

321302213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45691743 (or 45691739 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321302213112 its reverse (211312203123), we get a palindrome (532614416235).

The spelling of 321302213112 in words is "three hundred twenty-one billion, three hundred two million, two hundred thirteen thousand, one hundred twelve".