2112753820 has 24 divisors (see below), whose sum is σ = 4589776800. Its totient is φ = 815959872.

The previous prime is 2112753817. The next prime is 2112753869. The reversal of 2112753820 is 283572112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820760 + ... + 1821919.

It is an arithmetic number, because the mean of its divisors is an integer number (191240700).

Almost surely, 2^2112753820 is an apocalyptic number.

2112753820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112753820 is an abundant number, since it is smaller than the sum of its proper divisors (2477022980).

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

2112753820 is a wasteful number, since it uses less digits than its factorization.

2112753820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642717 (or 3642715 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 2112753820 is about 45964.7018917778. The cubic root of 2112753820 is about 1283.1663592659.

It can be divided in two parts, 21127 and 53820, that added together give a palindrome (74947).

The spelling of 2112753820 in words is "two billion, one hundred twelve million, seven hundred fifty-three thousand, eight hundred twenty".