2120234345 has 16 divisors (see below), whose sum is σ = 2568646080. Its totient is φ = 1679995200.

The previous prime is 2120234329. The next prime is 2120234351. The reversal of 2120234345 is 5434320212.

It is not a de Polignac number, because 2120234345 - 2⁴ = 2120234329 is a prime.

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, 371171 + ... + 376839.

It is an arithmetic number, because the mean of its divisors is an integer number (160540380).

Almost surely, 2^2120234345 is an apocalyptic number.

It is an amenable number.

2120234345 is a deficient number, since it is larger than the sum of its proper divisors (448411735).

2120234345 is a wasteful number, since it uses less digits than its factorization.

2120234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2120234345 is about 46046.0024866437. The cubic root of 2120234345 is about 1284.6789904033.

Adding to 2120234345 its reverse (5434320212), we get a palindrome (7554554557).

The spelling of 2120234345 in words is "two billion, one hundred twenty million, two hundred thirty-four thousand, three hundred forty-five".