2123002130320 has 80 divisors (see below), whose sum is σ = 5035083501888. Its totient is φ = 832279472640.

The previous prime is 2123002130303. The next prime is 2123002130323. The reversal of 2123002130320 is 230312003212.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2123002130323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50635 + ... + 2061205.

Almost surely, 2^{2123002130320} is an apocalyptic number.

2123002130320 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 2123002130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517541750944).

2123002130320 is an abundant number, since it is smaller than the sum of its proper divisors (2912081371568).

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

2123002130320 is a wasteful number, since it uses less digits than its factorization.

2123002130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010848 (or 2010842 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2123002130320 its reverse (230312003212), we get a palindrome (2353314133532).

The spelling of 2123002130320 in words is "two trillion, one hundred twenty-three billion, two million, one hundred thirty thousand, three hundred twenty".