10304321212 has 12 divisors (see below), whose sum is σ = 18042121440. Its totient is φ = 5149429376.

The previous prime is 10304321177. The next prime is 10304321227. The reversal of 10304321212 is 21212340301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10304321212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674308 + ... + 689419.

It is an arithmetic number, because the mean of its divisors is an integer number (1503510120).

Almost surely, 2^10304321212 is an apocalyptic number.

It is an amenable number.

10304321212 is a deficient number, since it is larger than the sum of its proper divisors (7737800228).

10304321212 is a wasteful number, since it uses less digits than its factorization.

10304321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365620 (or 1365618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10304321212 its reverse (21212340301), we get a palindrome (31516661513).

The spelling of 10304321212 in words is "ten billion, three hundred four million, three hundred twenty-one thousand, two hundred twelve".