1223382784000 has 192 divisors, whose sum is σ = 3287659021920. Its totient is φ = 451709337600.

The previous prime is 1223382783943. The next prime is 1223382784007. The reversal of 1223382784000 is 4872833221.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223382784007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3144199 + ... + 3511801.

Almost surely, 2^{1223382784000} is an apocalyptic number.

1223382784000 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 1223382784000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643829510960).

1223382784000 is an abundant number, since it is smaller than the sum of its proper divisors (2064276237920).

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

1223382784000 is an equidigital number, since it uses as much as digits as its factorization.

1223382784000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367653 (or 367623 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 1223382784000 in words is "one trillion, two hundred twenty-three billion, three hundred eighty-two million, seven hundred eighty-four thousand".