2130123220320 has 48 divisors (see below), whose sum is σ = 6709888145520. Its totient is φ = 568032858624.

The previous prime is 2130123220301. The next prime is 2130123220343. The reversal of 2130123220320 is 230223210312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218877875 + ... + 2218878834.

It is an arithmetic number, because the mean of its divisors is an integer number (139789336365).

Almost surely, 2^{2130123220320} is an apocalyptic number.

2130123220320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130123220320 is an abundant number, since it is smaller than the sum of its proper divisors (4579764925200).

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

2130123220320 is a wasteful number, since it uses less digits than its factorization.

2130123220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437756727 (or 4437756719 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2130123220320 its reverse (230223210312), we get a palindrome (2360346430632).

The spelling of 2130123220320 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, two hundred twenty thousand, three hundred twenty".