12223387900 has 18 divisors (see below), whose sum is σ = 26524751960. Its totient is φ = 4889355120.

The previous prime is 12223387873. The next prime is 12223387909. The reversal of 12223387900 is 978332221.

It is a super-2 number, since 2×12223387900² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12223387900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223387909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61116840 + ... + 61117039.

Almost surely, 2^12223387900 is an apocalyptic number.

12223387900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223387900 is an abundant number, since it is smaller than the sum of its proper divisors (14301364060).

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

12223387900 is a wasteful number, since it uses less digits than its factorization.

12223387900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122233893 (or 122233886 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 12223387900 in words is "twelve billion, two hundred twenty-three million, three hundred eighty-seven thousand, nine hundred".