1304031212 has 24 divisors (see below), whose sum is σ = 2507697360. Its totient is φ = 588412160.

The previous prime is 1304031181. The next prime is 1304031217. The reversal of 1304031212 is 2121304031.

It is not an unprimeable number, because it can be changed into a prime (1304031217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102137 + ... + 114192.

It is an arithmetic number, because the mean of its divisors is an integer number (104487390).

Almost surely, 2^1304031212 is an apocalyptic number.

It is an amenable number.

1304031212 is a deficient number, since it is larger than the sum of its proper divisors (1203666148).

1304031212 is a wasteful number, since it uses less digits than its factorization.

1304031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216481 (or 216479 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1304031212 is about 36111.3723361492. The cubic root of 1304031212 is about 1092.5198308168.

Adding to 1304031212 its reverse (2121304031), we get a palindrome (3425335243).

The spelling of 1304031212 in words is "one billion, three hundred four million, thirty-one thousand, two hundred twelve".