12213033011212 has 96 divisors (see below), whose sum is σ = 25051915478016. Its totient is φ = 5157480844800.

The previous prime is 12213033011191. The next prime is 12213033011273. The reversal of 12213033011212 is 21211033031221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190643 + ... + 5083669.

It is an arithmetic number, because the mean of its divisors is an integer number (260957452896).

Almost surely, 2^{12213033011212} is an apocalyptic number.

It is an amenable number.

12213033011212 is an abundant number, since it is smaller than the sum of its proper divisors (12838882466804).

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

12213033011212 is a wasteful number, since it uses less digits than its factorization.

12213033011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893167 (or 3893165 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12213033011212 its reverse (21211033031221), we get a palindrome (33424066042433).

The spelling of 12213033011212 in words is "twelve trillion, two hundred thirteen billion, thirty-three million, eleven thousand, two hundred twelve".