12203310400 has 168 divisors, whose sum is σ = 31082142560. Its totient is φ = 4712048640.

The previous prime is 12203310391. The next prime is 12203310401. The reversal of 12203310400 is 401330221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203310401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8228059 + ... + 8229541.

Almost surely, 2^12203310400 is an apocalyptic number.

12203310400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12203310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15541071280).

12203310400 is an abundant number, since it is smaller than the sum of its proper divisors (18878832160).

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

12203310400 is a wasteful number, since it uses less digits than its factorization.

12203310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12203310400 its reverse (401330221), we get a palindrome (12604640621).

The spelling of 12203310400 in words is "twelve billion, two hundred three million, three hundred ten thousand, four hundred".