323212220012 has 36 divisors (see below), whose sum is σ = 621792295320. Its totient is φ = 146896632960.

The previous prime is 323212220003. The next prime is 323212220017. The reversal of 323212220012 is 210022212323.

It is a happy number.

It is a super-2 number, since 2×323212220012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323212220017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4410164 + ... + 4482852.

Almost surely, 2^323212220012 is an apocalyptic number.

It is an amenable number.

323212220012 is a deficient number, since it is larger than the sum of its proper divisors (298580075308).

323212220012 is a wasteful number, since it uses less digits than its factorization.

323212220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81902 (or 81889 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 323212220012 its reverse (210022212323), we get a palindrome (533234432335).

The spelling of 323212220012 in words is "three hundred twenty-three billion, two hundred twelve million, two hundred twenty thousand, twelve".