2120512230 has 64 divisors (see below), whose sum is σ = 5684137920. Its totient is φ = 562526208.

The previous prime is 2120512213. The next prime is 2120512237. The reversal of 2120512230 is 322150212.

2120512230 is a `hidden beast` number, since 2 + 120 + 512 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120512237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31764 + ... + 72456.

It is an arithmetic number, because the mean of its divisors is an integer number (88814655).

Almost surely, 2^2120512230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120512230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842068960).

2120512230 is an abundant number, since it is smaller than the sum of its proper divisors (3563625690).

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

2120512230 is a wasteful number, since it uses less digits than its factorization.

2120512230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40902 (or 40896 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2120512230 is about 46049.0198592760. The cubic root of 2120512230 is about 1284.7351127257.

Adding to 2120512230 its reverse (322150212), we get a palindrome (2442662442).

The spelling of 2120512230 in words is "two billion, one hundred twenty million, five hundred twelve thousand, two hundred thirty".