12306662712 has 144 divisors (see below), whose sum is σ = 35692949760. Its totient is φ = 3829690368.

The previous prime is 12306662707. The next prime is 12306662723. The reversal of 12306662712 is 21726660321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2640288 + ... + 2644944.

Almost surely, 2^12306662712 is an apocalyptic number.

12306662712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12306662712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17846474880).

12306662712 is an abundant number, since it is smaller than the sum of its proper divisors (23386287048).

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

12306662712 is a wasteful number, since it uses less digits than its factorization.

12306662712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 12306662712 in words is "twelve billion, three hundred six million, six hundred sixty-two thousand, seven hundred twelve".