12208743888 has 120 divisors (see below), whose sum is σ = 35553626208. Its totient is φ = 3580128000.

The previous prime is 12208743863. The next prime is 12208743913. The reversal of 12208743888 is 88834780221.

It is an interprime number because it is at equal distance from previous prime (12208743863) and next prime (12208743913).

It is a self number, because there is not a number n which added to its sum of digits gives 12208743888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495378 + ... + 519438.

Almost surely, 2^12208743888 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 12208743888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17776813104).

12208743888 is an abundant number, since it is smaller than the sum of its proper divisors (23344882320).

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

12208743888 is a wasteful number, since it uses less digits than its factorization.

12208743888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145 (or 24108 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 12208743888 in words is "twelve billion, two hundred eight million, seven hundred forty-three thousand, eight hundred eighty-eight".