2012121304 has 16 divisors (see below), whose sum is σ = 3807988200. Its totient is φ = 996657792.

The previous prime is 2012121301. The next prime is 2012121311. The reversal of 2012121304 is 4031212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012121301) 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, 1174449 + ... + 1176160.

Almost surely, 2^2012121304 is an apocalyptic number.

It is an amenable number.

2012121304 is a deficient number, since it is larger than the sum of its proper divisors (1795866896).

2012121304 is a wasteful number, since it uses less digits than its factorization.

2012121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350722 (or 2350718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2012121304 is about 44856.6751331393. The cubic root of 2012121304 is about 1262.4612393943.

Adding to 2012121304 its reverse (4031212102), we get a palindrome (6043333406).

The spelling of 2012121304 in words is "two billion, twelve million, one hundred twenty-one thousand, three hundred four".