2120204012 has 12 divisors (see below), whose sum is σ = 3765735960. Its totient is φ = 1044279456.

The previous prime is 2120204003. The next prime is 2120204033. The reversal of 2120204012 is 2104020212.

It is a super-2 number, since 2×2120204012² = 8990530105001792288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955337 + ... + 3955872.

It is an arithmetic number, because the mean of its divisors is an integer number (313811330).

Almost surely, 2^2120204012 is an apocalyptic number.

It is an amenable number.

2120204012 is a deficient number, since it is larger than the sum of its proper divisors (1645531948).

2120204012 is a wasteful number, since it uses less digits than its factorization.

2120204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911280 (or 7911278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2120204012 is about 46045.6731083389. The cubic root of 2120204012 is about 1284.6728639809.

Adding to 2120204012 its reverse (2104020212), we get a palindrome (4224224224).

The spelling of 2120204012 in words is "two billion, one hundred twenty million, two hundred four thousand, twelve".