20212210020112 has 80 divisors (see below), whose sum is σ = 42788356012800. Its totient is φ = 9172944904320.

The previous prime is 20212210020089. The next prime is 20212210020113. The reversal of 20212210020112 is 21102001221202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20212210020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716248339 + ... + 716276557.

It is an arithmetic number, because the mean of its divisors is an integer number (534854450160).

Almost surely, 2^{20212210020112} is an apocalyptic number.

20212210020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20212210020112 is an abundant number, since it is smaller than the sum of its proper divisors (22576145992688).

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

20212210020112 is a wasteful number, since it uses less digits than its factorization.

20212210020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34484 (or 34478 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212210020112 its reverse (21102001221202), we get a palindrome (41314211241314).

The spelling of 20212210020112 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, twenty thousand, one hundred twelve".