1223404089600 has 1296 divisors, whose sum is σ = 5171271892416. Its totient is φ = 253953638400.

The previous prime is 1223404089569. The next prime is 1223404089619. The reversal of 1223404089600 is 69804043221.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1252204312 + ... + 1252205288.

Almost surely, 2^{1223404089600} is an apocalyptic number.

1223404089600 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 1223404089600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585635946208).

1223404089600 is an abundant number, since it is smaller than the sum of its proper divisors (3947867802816).

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

1223404089600 is an equidigital number, since it uses as much as digits as its factorization.

1223404089600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 1223404089600 in words is "one trillion, two hundred twenty-three billion, four hundred four million, eighty-nine thousand, six hundred".