12420212304 has 40 divisors (see below), whose sum is σ = 32111640160. Its totient is φ = 4136704128.

The previous prime is 12420212263. The next prime is 12420212323. The reversal of 12420212304 is 40321202421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45214 + ... + 163965.

It is an arithmetic number, because the mean of its divisors is an integer number (802791004).

Almost surely, 2^12420212304 is an apocalyptic number.

It is an amenable number.

12420212304 is an abundant number, since it is smaller than the sum of its proper divisors (19691427856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12420212304 is a wasteful number, since it uses less digits than its factorization.

12420212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210427 (or 210421 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12420212304 its reverse (40321202421), we get a palindrome (52741414725).

The spelling of 12420212304 in words is "twelve billion, four hundred twenty million, two hundred twelve thousand, three hundred four".