2123002313120 has 48 divisors (see below), whose sum is σ = 5401407813480. Its totient is φ = 783877776384.

The previous prime is 2123002313071. The next prime is 2123002313123. The reversal of 2123002313120 is 213132003212.

It can be written as a sum of positive squares in 4 ways, for example, as 1752944224144 + 370058088976 = 1323988^2 + 608324^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2123002313092 and 2123002313101.

It is not an unprimeable number, because it can be changed into a prime (2123002313123) 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, 510335015 + ... + 510339174.

Almost surely, 2^{2123002313120} is an apocalyptic number.

2123002313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123002313120 is an abundant number, since it is smaller than the sum of its proper divisors (3278405500360).

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

2123002313120 is a wasteful number, since it uses less digits than its factorization.

2123002313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020674217 (or 1020674209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2123002313120 its reverse (213132003212), we get a palindrome (2336134316332).

The spelling of 2123002313120 in words is "two trillion, one hundred twenty-three billion, two million, three hundred thirteen thousand, one hundred twenty".