12403101022400 has 168 divisors, whose sum is σ = 33320973987840. Its totient is φ = 4506546816000.

The previous prime is 12403101022397. The next prime is 12403101022423. The reversal of 12403101022400 is 422010130421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21379361 + ... + 21951839.

It is an arithmetic number, because the mean of its divisors is an integer number (198339130880).

Almost surely, 2^{12403101022400} is an apocalyptic number.

12403101022400 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 12403101022400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16660486993920).

12403101022400 is an abundant number, since it is smaller than the sum of its proper divisors (20917872965440).

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

12403101022400 is a wasteful number, since it uses less digits than its factorization.

12403101022400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573743 (or 573728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12403101022400 its reverse (422010130421), we get a palindrome (12825111152821).

The spelling of 12403101022400 in words is "twelve trillion, four hundred three billion, one hundred one million, twenty-two thousand, four hundred".