12212100020012 has 24 divisors (see below), whose sum is σ = 21383719156800. Its totient is φ = 6102466325120.

The previous prime is 12212100019997. The next prime is 12212100020033. The reversal of 12212100020012 is 21002000121221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214380638 + ... + 214437594.

It is an arithmetic number, because the mean of its divisors is an integer number (890988298200).

Almost surely, 2^{12212100020012} is an apocalyptic number.

It is an amenable number.

12212100020012 is a deficient number, since it is larger than the sum of its proper divisors (9171619136788).

12212100020012 is a wasteful number, since it uses less digits than its factorization.

12212100020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87481 (or 87479 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12212100020012 its reverse (21002000121221), we get a palindrome (33214100141233).

The spelling of 12212100020012 in words is "twelve trillion, two hundred twelve billion, one hundred million, twenty thousand, twelve".