20212012020112 has 160 divisors (see below), whose sum is σ = 46858133387520. Its totient is φ = 8337173053440.

The previous prime is 20212012020097. The next prime is 20212012020169. The reversal of 20212012020112 is 21102021021202.

It is a happy number.

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

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 31 ways as a sum of consecutive naturals, for example, 62920128 + ... + 63240544.

It is an arithmetic number, because the mean of its divisors is an integer number (292863333672).

Almost surely, 2^{20212012020112} is an apocalyptic number.

20212012020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212012020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23429066693760).

20212012020112 is an abundant number, since it is smaller than the sum of its proper divisors (26646121367408).

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

20212012020112 is a wasteful number, since it uses less digits than its factorization.

20212012020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321209 (or 321203 counting only the distinct ones).

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

Adding to 20212012020112 its reverse (21102021021202), we get a palindrome (41314033041314).

The spelling of 20212012020112 in words is "twenty trillion, two hundred twelve billion, twelve million, twenty thousand, one hundred twelve".