2120331220000 has 960 divisors, whose sum is σ = 6484404326400. Its totient is φ = 666247680000.

The previous prime is 2120331219989. The next prime is 2120331220043. The reversal of 2120331220000 is 221330212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 19452579946 + ... + 19452580054.

It is an arithmetic number, because the mean of its divisors is an integer number (6754587840).

Almost surely, 2^{2120331220000} is an apocalyptic number.

2120331220000 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 2120331220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3242202163200).

2120331220000 is an abundant number, since it is smaller than the sum of its proper divisors (4364073106400).

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

2120331220000 is a wasteful number, since it uses less digits than its factorization.

2120331220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2120331220000 its reverse (221330212), we get a palindrome (2120552550212).

The spelling of 2120331220000 in words is "two trillion, one hundred twenty billion, three hundred thirty-one million, two hundred twenty thousand".