2123120204 has 12 divisors (see below), whose sum is σ = 3716131104. Its totient is φ = 1061368464.

The previous prime is 2123120201. The next prime is 2123120231. The reversal of 2123120204 is 4020213212.

It is not an unprimeable number, because it can be changed into a prime (2123120201) 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 3 ways as a sum of consecutive naturals, for example, 21347 + ... + 68570.

It is an arithmetic number, because the mean of its divisors is an integer number (309677592).

Almost surely, 2^2123120204 is an apocalyptic number.

It is an amenable number.

2123120204 is a deficient number, since it is larger than the sum of its proper divisors (1593010900).

2123120204 is a wasteful number, since it uses less digits than its factorization.

2123120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95824 (or 95822 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2123120204 is about 46077.3285249916. The cubic root of 2123120204 is about 1285.2615866390.

Adding to 2123120204 its reverse (4020213212), we get a palindrome (6143333416).

The spelling of 2123120204 in words is "two billion, one hundred twenty-three million, one hundred twenty thousand, two hundred four".