20212112022112 has 24 divisors (see below), whose sum is σ = 40000933752192. Its totient is φ = 10053144720000.

The previous prime is 20212112022107. The next prime is 20212112022133. The reversal of 20212112022112 is 21122021121202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212112022112.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1653471639 + ... + 1653483862.

It is an arithmetic number, because the mean of its divisors is an integer number (1666705573008).

Almost surely, 2^{20212112022112} is an apocalyptic number.

It is an amenable number.

20212112022112 is a deficient number, since it is larger than the sum of its proper divisors (19788821730080).

20212112022112 is a wasteful number, since it uses less digits than its factorization.

20212112022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306955702 (or 3306955694 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20212112022112 its reverse (21122021121202), we get a palindrome (41334133143314).

The spelling of 20212112022112 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, twenty-two thousand, one hundred twelve".