1122420232320 has 128 divisors (see below), whose sum is σ = 3582077273280. Its totient is φ = 298947072000.

The previous prime is 1122420232319. The next prime is 1122420232337. The reversal of 1122420232320 is 232320242211.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220295 + ... + 1932345.

Almost surely, 2^{1122420232320} is an apocalyptic number.

1122420232320 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 1122420232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791038636640).

1122420232320 is an abundant number, since it is smaller than the sum of its proper divisors (2459657040960).

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

1122420232320 is an equidigital number, since it uses as much as digits as its factorization.

1122420232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712894 (or 712882 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1122420232320 its reverse (232320242211), we get a palindrome (1354740474531).

The spelling of 1122420232320 in words is "one trillion, one hundred twenty-two billion, four hundred twenty million, two hundred thirty-two thousand, three hundred twenty".