12247929810312 has 128 divisors (see below), whose sum is σ = 35815206620160. Its totient is φ = 3417329583360.

The previous prime is 12247929810253. The next prime is 12247929810323. The reversal of 12247929810312 is 21301892974221.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 35754487 + ... + 36095417.

It is an arithmetic number, because the mean of its divisors is an integer number (279806301720).

Almost surely, 2^{12247929810312} is an apocalyptic number.

12247929810312 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 12247929810312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17907603310080).

12247929810312 is an abundant number, since it is smaller than the sum of its proper divisors (23567276809848).

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

12247929810312 is a wasteful number, since it uses less digits than its factorization.

12247929810312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345963 (or 345959 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12247929810312 in words is "twelve trillion, two hundred forty-seven billion, nine hundred twenty-nine million, eight hundred ten thousand, three hundred twelve".