12267412908 has 48 divisors (see below), whose sum is σ = 30379928544. Its totient is φ = 3839431680.

The previous prime is 12267412901. The next prime is 12267412921. The reversal of 12267412908 is 80921476221.

It is a self number, because there is not a number n which added to its sum of digits gives 12267412908.

It is not an unprimeable number, because it can be changed into a prime (12267412901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14466 + ... + 157302.

It is an arithmetic number, because the mean of its divisors is an integer number (632915178).

Almost surely, 2^12267412908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12267412908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15189964272).

12267412908 is an abundant number, since it is smaller than the sum of its proper divisors (18112515636).

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

12267412908 is a wasteful number, since it uses less digits than its factorization.

12267412908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143282 (or 143280 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12267412908 in words is "twelve billion, two hundred sixty-seven million, four hundred twelve thousand, nine hundred eight".