1320223332120 has 384 divisors, whose sum is σ = 5162026544640. Its totient is φ = 262403665920.

The previous prime is 1320223332067. The next prime is 1320223332121. The reversal of 1320223332120 is 212333220231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320223332121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4752912 + ... + 5023008.

It is an arithmetic number, because the mean of its divisors is an integer number (13442777460).

Almost surely, 2^{1320223332120} is an apocalyptic number.

1320223332120 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 1320223332120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2581013272320).

1320223332120 is an abundant number, since it is smaller than the sum of its proper divisors (3841803212520).

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

1320223332120 is a wasteful number, since it uses less digits than its factorization.

1320223332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270175 (or 270148 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1320223332120 its reverse (212333220231), we get a palindrome (1532556552351).

The spelling of 1320223332120 in words is "one trillion, three hundred twenty billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty".