212112121002 has 32 divisors (see below), whose sum is σ = 430239527424. Its totient is φ = 69701679600.

The previous prime is 212112120977. The next prime is 212112121049. The reversal of 212112121002 is 200121211212.

212112121002 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 15 ways as a sum of consecutive naturals, for example, 7033977 + ... + 7064067.

It is an arithmetic number, because the mean of its divisors is an integer number (13444985232).

Almost surely, 2^212112121002 is an apocalyptic number.

212112121002 is an abundant number, since it is smaller than the sum of its proper divisors (218127406422).

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

212112121002 is a wasteful number, since it uses less digits than its factorization.

212112121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46714.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212112121002 its reverse (200121211212), we get a palindrome (412233332214).

The spelling of 212112121002 in words is "two hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, two".