12212120212122 has 32 divisors (see below), whose sum is σ = 24825104395200. Its totient is φ = 4003898584320.

The previous prime is 12212120212069. The next prime is 12212120212189. The reversal of 12212120212122 is 22121202121221.

12212120212122 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21199618 + ... + 21768050.

It is an arithmetic number, because the mean of its divisors is an integer number (775784512350).

Almost surely, 2^{12212120212122} is an apocalyptic number.

12212120212122 is an abundant number, since it is smaller than the sum of its proper divisors (12612984183078).

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

12212120212122 is a wasteful number, since it uses less digits than its factorization.

12212120212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627198.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12212120212122 its reverse (22121202121221), we get a palindrome (34333322333343).

The spelling of 12212120212122 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-two".