12212022121112 has 32 divisors (see below), whose sum is σ = 25510607147520. Its totient is φ = 5432814481440.

The previous prime is 12212022121111. The next prime is 12212022121147. The reversal of 12212022121112 is 21112122021221.

12212022121112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12212022121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212022121111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476304148 + ... + 1476312419.

It is an arithmetic number, because the mean of its divisors is an integer number (797206473360).

Almost surely, 2^{12212022121112} is an apocalyptic number.

It is an amenable number.

12212022121112 is an abundant number, since it is smaller than the sum of its proper divisors (13298585026408).

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

12212022121112 is a wasteful number, since it uses less digits than its factorization.

12212022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952616631 (or 2952616627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12212022121112 its reverse (21112122021221), we get a palindrome (33324144142333).

The spelling of 12212022121112 in words is "twelve trillion, two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".