12311033302212 has 192 divisors, whose sum is σ = 29986128184320. Its totient is φ = 3928360550400.

The previous prime is 12311033302189. The next prime is 12311033302241. The reversal of 12311033302212 is 21220333011321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2302416123 + ... + 2302421469.

It is an arithmetic number, because the mean of its divisors is an integer number (156177750960).

Almost surely, 2^{12311033302212} is an apocalyptic number.

12311033302212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12311033302212 is an abundant number, since it is smaller than the sum of its proper divisors (17675094882108).

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

12311033302212 is a wasteful number, since it uses less digits than its factorization.

12311033302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5920 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12311033302212 its reverse (21220333011321), we get a palindrome (33531366313533).

The spelling of 12311033302212 in words is "twelve trillion, three hundred eleven billion, thirty-three million, three hundred two thousand, two hundred twelve".