2120012303 has 4 divisors (see below), whose sum is σ = 2120118168. Its totient is φ = 2119906440.

The previous prime is 2120012287. The next prime is 2120012333. The reversal of 2120012303 is 3032100212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2120012303 - 2⁴ = 2120012287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120012333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12701 + ... + 66342.

It is an arithmetic number, because the mean of its divisors is an integer number (530029542).

Almost surely, 2^2120012303 is an apocalyptic number.

2120012303 is a deficient number, since it is larger than the sum of its proper divisors (105865).

2120012303 is an equidigital number, since it uses as much as digits as its factorization.

2120012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105864.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120012303 is about 46043.5913347341. The cubic root of 2120012303 is about 1284.6341427428.

Adding to 2120012303 its reverse (3032100212), we get a palindrome (5152112515).

The spelling of 2120012303 in words is "two billion, one hundred twenty million, twelve thousand, three hundred three".