1223332440000 has 280 divisors, whose sum is σ = 4412320205568. Its totient is φ = 296565120000.

The previous prime is 1223332439999. The next prime is 1223332440017. The reversal of 1223332440000 is 442333221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 856617 + ... + 1783383.

Almost surely, 2^{1223332440000} is an apocalyptic number.

1223332440000 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 1223332440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206160102784).

1223332440000 is an abundant number, since it is smaller than the sum of its proper divisors (3188987765568).

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

1223332440000 is an equidigital number, since it uses as much as digits as its factorization.

1223332440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926813 (or 926788 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1223332440000 its reverse (442333221), we get a palindrome (1223774773221).

The spelling of 1223332440000 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, four hundred forty thousand".