12212111202012 has 36 divisors (see below), whose sum is σ = 31933968950520. Its totient is φ = 3930334639392.

The previous prime is 12212111202001. The next prime is 12212111202089. The reversal of 12212111202012 is 21020211121221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5848711218 + ... + 5848713305.

It is an arithmetic number, because the mean of its divisors is an integer number (887054693070).

Almost surely, 2^{12212111202012} is an apocalyptic number.

12212111202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212111202012 is an abundant number, since it is smaller than the sum of its proper divisors (19721857748508).

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

12212111202012 is a wasteful number, since it uses less digits than its factorization.

12212111202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697424562 (or 11697424557 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212111202012 its reverse (21020211121221), we get a palindrome (33232322323233).

The spelling of 12212111202012 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred two thousand, twelve".