2100320412320 has 96 divisors (see below), whose sum is σ = 5362992624528. Its totient is φ = 772703059968.

The previous prime is 2100320412271. The next prime is 2100320412341. The reversal of 2100320412320 is 232140230012.

It can be written as a sum of positive squares in 8 ways, for example, as 450010205584 + 1650310206736 = 670828^2 + 1284644^2 .

It is a super-2 number, since 2×2100320412320² (a number of 25 digits) contains 22 as substring.

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 = 2100320412292 and 2100320412301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246529 + ... + 2398848.

Almost surely, 2^{2100320412320} is an apocalyptic number.

2100320412320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100320412320 is an abundant number, since it is smaller than the sum of its proper divisors (3262672212208).

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

2100320412320 is a wasteful number, since it uses less digits than its factorization.

2100320412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645682 (or 3645674 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2100320412320 its reverse (232140230012), we get a palindrome (2332460642332).

The spelling of 2100320412320 in words is "two trillion, one hundred billion, three hundred twenty million, four hundred twelve thousand, three hundred twenty".