12306664212 has 24 divisors (see below), whose sum is σ = 28726311936. Its totient is φ = 4100683968.

The previous prime is 12306664163. The next prime is 12306664243. The reversal of 12306664212 is 21246660321.

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, 158593 + ... + 223080.

It is an arithmetic number, because the mean of its divisors is an integer number (1196929664).

Almost surely, 2^12306664212 is an apocalyptic number.

12306664212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12306664212 is an abundant number, since it is smaller than the sum of its proper divisors (16419647724).

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

12306664212 is a wasteful number, since it uses less digits than its factorization.

12306664212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384367 (or 384365 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 12306664212 in words is "twelve billion, three hundred six million, six hundred sixty-four thousand, two hundred twelve".