12203143222400 has 96 divisors (see below), whose sum is σ = 32464467909300. Its totient is φ = 4505775943680.

The previous prime is 12203143222397. The next prime is 12203143222409. The reversal of 12203143222400 is 422234130221.

It can be written as a sum of positive squares in 6 ways, for example, as 4614969469504 + 7588173752896 = 2148248^2 + 2754664^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12203143222400.

It is not an unprimeable number, because it can be changed into a prime (12203143222409) by changing a digit.

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, 146630795 + ... + 146713994.

Almost surely, 2^{12203143222400} is an apocalyptic number.

12203143222400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203143222400 is an abundant number, since it is smaller than the sum of its proper divisors (20261324686900).

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

12203143222400 is a wasteful number, since it uses less digits than its factorization.

12203143222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293344826 (or 293344809 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12203143222400 its reverse (422234130221), we get a palindrome (12625377352621).

The spelling of 12203143222400 in words is "twelve trillion, two hundred three billion, one hundred forty-three million, two hundred twenty-two thousand, four hundred".