2112445020500 has 48 divisors (see below), whose sum is σ = 4617896883600. Its totient is φ = 844187356800.

The previous prime is 2112445020493. The next prime is 2112445020557. The reversal of 2112445020500 is 50205442112.

It can be written as a sum of positive squares in 8 ways, for example, as 267417231376 + 1845027789124 = 517124^2 + 1358318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2112445020500.

It is a congruent number.

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, 1441595 + ... + 2510594.

It is an arithmetic number, because the mean of its divisors is an integer number (96206185075).

Almost surely, 2^{2112445020500} is an apocalyptic number.

2112445020500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112445020500 is an abundant number, since it is smaller than the sum of its proper divisors (2505451863100).

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

2112445020500 is a wasteful number, since it uses less digits than its factorization.

2112445020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953277 (or 3953265 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 2112445020500 in words is "two trillion, one hundred twelve billion, four hundred forty-five million, twenty thousand, five hundred".