20220112002112 has 56 divisors (see below), whose sum is σ = 43809912290592. Its totient is φ = 9182988288000.

The previous prime is 20220112002061. The next prime is 20220112002113. The reversal of 20220112002112 is 21120021102202.

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 (20220112002113) 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, 11643514 + ... + 13266937.

It is an arithmetic number, because the mean of its divisors is an integer number (782319862332).

Almost surely, 2^{20220112002112} is an apocalyptic number.

20220112002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20220112002112 is an abundant number, since it is smaller than the sum of its proper divisors (23589800288480).

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

20220112002112 is a wasteful number, since it uses less digits than its factorization.

20220112002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24911627 (or 24911617 counting only the distinct ones).

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

Adding to 20220112002112 its reverse (21120021102202), we get a palindrome (41340133104314).

The spelling of 20220112002112 in words is "twenty trillion, two hundred twenty billion, one hundred twelve million, two thousand, one hundred twelve".