2120010112020 has 192 divisors, whose sum is σ = 6374466201600. Its totient is φ = 524837675520.

The previous prime is 2120010111983. The next prime is 2120010112021. The reversal of 2120010112020 is 202110100212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120010111987 and 2120010112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120010112021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21271705 + ... + 21371135.

It is an arithmetic number, because the mean of its divisors is an integer number (33200344800).

Almost surely, 2^{2120010112020} is an apocalyptic number.

2120010112020 is a gapful number since it is divisible by the number (20) 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 2120010112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3187233100800).

2120010112020 is an abundant number, since it is smaller than the sum of its proper divisors (4254456089580).

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

2120010112020 is a wasteful number, since it uses less digits than its factorization.

2120010112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99838 (or 99836 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120010112020 its reverse (202110100212), we get a palindrome (2322120212232).

The spelling of 2120010112020 in words is "two trillion, one hundred twenty billion, ten million, one hundred twelve thousand, twenty".