12223521200 has 60 divisors (see below), whose sum is σ = 32036749368. Its totient is φ = 4444915200.

The previous prime is 12223521181. The next prime is 12223521227. The reversal of 12223521200 is 212532221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384637 + ... + 1393436.

Almost surely, 2^12223521200 is an apocalyptic number.

12223521200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223521200 is an abundant number, since it is smaller than the sum of its proper divisors (19813228168).

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

12223521200 is a wasteful number, since it uses less digits than its factorization.

12223521200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778102 (or 2778091 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 12223521200 in words is "twelve billion, two hundred twenty-three million, five hundred twenty-one thousand, two hundred".