12012211332212 has 48 divisors (see below), whose sum is σ = 25897501926912. Its totient is φ = 4747483180800.

The previous prime is 12012211332151. The next prime is 12012211332239. The reversal of 12012211332212 is 21223311221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15597164 + ... + 16349187.

It is an arithmetic number, because the mean of its divisors is an integer number (539531290144).

Almost surely, 2^{12012211332212} is an apocalyptic number.

It is an amenable number.

12012211332212 is an abundant number, since it is smaller than the sum of its proper divisors (13885290594700).

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

12012211332212 is a wasteful number, since it uses less digits than its factorization.

12012211332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947408 (or 31947406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12012211332212 its reverse (21223311221021), we get a palindrome (33235522553233).

The spelling of 12012211332212 in words is "twelve trillion, twelve billion, two hundred eleven million, three hundred thirty-two thousand, two hundred twelve".