2120012233 has 4 divisors (see below), whose sum is σ = 2120261760. Its totient is φ = 2119762708.

The previous prime is 2120012227. The next prime is 2120012263. The reversal of 2120012233 is 3322100212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120012233 - 2⁹ = 2120011721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120012203) 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, 111553 + ... + 129166.

It is an arithmetic number, because the mean of its divisors is an integer number (530065440).

Almost surely, 2^2120012233 is an apocalyptic number.

It is an amenable number.

2120012233 is a deficient number, since it is larger than the sum of its proper divisors (249527).

2120012233 is an equidigital number, since it uses as much as digits as its factorization.

2120012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249526.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120012233 is about 46043.5905745849. The cubic root of 2120012233 is about 1284.6341286038.

Adding to 2120012233 its reverse (3322100212), we get a palindrome (5442112445).

It can be divided in two parts, 21200 and 12233, that added together give a palindrome (33433).

The spelling of 2120012233 in words is "two billion, one hundred twenty million, twelve thousand, two hundred thirty-three".