2112073770 has 64 divisors (see below), whose sum is σ = 5250510720. Its totient is φ = 543099648.

The previous prime is 2112073757. The next prime is 2112073771. The reversal of 2112073770 is 773702112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2112073771) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1289392 + ... + 1291028.

It is an arithmetic number, because the mean of its divisors is an integer number (82039230).

Almost surely, 2^2112073770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112073770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625255360).

2112073770 is an abundant number, since it is smaller than the sum of its proper divisors (3138436950).

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

2112073770 is a wasteful number, since it uses less digits than its factorization.

2112073770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 2112073770 is about 45957.3037720883. The cubic root of 2112073770 is about 1283.0286699436.

Adding to 2112073770 its reverse (773702112), we get a palindrome (2885775882).

The spelling of 2112073770 in words is "two billion, one hundred twelve million, seventy-three thousand, seven hundred seventy".