12223316400 has 60 divisors (see below), whose sum is σ = 39155360712. Its totient is φ = 3259550720.

The previous prime is 12223316389. The next prime is 12223316423. The reversal of 12223316400 is 461332221.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5091849 + ... + 5094248.

Almost surely, 2^12223316400 is an apocalyptic number.

12223316400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223316400 is an abundant number, since it is smaller than the sum of its proper divisors (26932044312).

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

12223316400 is a wasteful number, since it uses less digits than its factorization.

12223316400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186118 (or 10186107 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12223316400 its reverse (461332221), we get a palindrome (12684648621).

The spelling of 12223316400 in words is "twelve billion, two hundred twenty-three million, three hundred sixteen thousand, four hundred".