12012021002212 has 96 divisors (see below), whose sum is σ = 27182872717056. Its totient is φ = 4508436672000.

The previous prime is 12012021002183. The next prime is 12012021002221. The reversal of 12012021002212 is 21220012021021.

It is a happy number.

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, 4067103 + ... + 6369094.

It is an arithmetic number, because the mean of its divisors is an integer number (283154924136).

Almost surely, 2^{12012021002212} is an apocalyptic number.

It is an amenable number.

12012021002212 is an abundant number, since it is smaller than the sum of its proper divisors (15170851714844).

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

12012021002212 is a wasteful number, since it uses less digits than its factorization.

12012021002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436357 (or 10436355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012021002212 its reverse (21220012021021), we get a palindrome (33232033023233).

The spelling of 12012021002212 in words is "twelve trillion, twelve billion, twenty-one million, two thousand, two hundred twelve".