20121024304 has 40 divisors (see below), whose sum is σ = 39738885120. Its totient is φ = 9869522624.

The previous prime is 20121024299. The next prime is 20121024317. The reversal of 20121024304 is 40342012102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377809 + ... + 2386255.

It is an arithmetic number, because the mean of its divisors is an integer number (993472128).

Almost surely, 2^20121024304 is an apocalyptic number.

It is an amenable number.

20121024304 is a deficient number, since it is larger than the sum of its proper divisors (19617860816).

20121024304 is an frugal number, since it uses more digits than its factorization.

20121024304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8614 (or 8502 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20121024304 its reverse (40342012102), we get a palindrome (60463036406).

The spelling of 20121024304 in words is "twenty billion, one hundred twenty-one million, twenty-four thousand, three hundred four".