1223332220000 has 240 divisors, whose sum is σ = 3345157669392. Its totient is φ = 436450560000.

The previous prime is 1223332219981. The next prime is 1223332220009. The reversal of 1223332220000 is 222333221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223332220009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11607542 + ... + 11712458.

Almost surely, 2^{1223332220000} is an apocalyptic number.

1223332220000 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 1223332220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672578834696).

1223332220000 is an abundant number, since it is smaller than the sum of its proper divisors (2121825449392).

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

1223332220000 is a wasteful number, since it uses less digits than its factorization.

1223332220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105011 (or 104988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1223332220000 its reverse (222333221), we get a palindrome (1223554553221).

The spelling of 1223332220000 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred twenty thousand".