212021111012 has 12 divisors (see below), whose sum is σ = 371273736960. Its totient is φ = 105942900456.

The previous prime is 212021110943. The next prime is 212021111023. The reversal of 212021111012 is 210111120212.

212021111012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16906712 + ... + 16919247.

It is an arithmetic number, because the mean of its divisors is an integer number (30939478080).

Almost surely, 2^212021111012 is an apocalyptic number.

It is an amenable number.

212021111012 is a deficient number, since it is larger than the sum of its proper divisors (159252625948).

212021111012 is a wasteful number, since it uses less digits than its factorization.

212021111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33827530 (or 33827528 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212021111012 its reverse (210111120212), we get a palindrome (422132231224).

The spelling of 212021111012 in words is "two hundred twelve billion, twenty-one million, one hundred eleven thousand, twelve".