1222013112320 has 624 divisors, whose sum is σ = 3967867182720. Its totient is φ = 351523307520.

The previous prime is 1222013112319. The next prime is 1222013112361. The reversal of 1222013112320 is 232113102221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1222013112292 and 1222013112301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225502571 + ... + 225507989.

Almost surely, 2^{1222013112320} is an apocalyptic number.

1222013112320 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 1222013112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983933591360).

1222013112320 is an abundant number, since it is smaller than the sum of its proper divisors (2745854070400).

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

1222013112320 is a wasteful number, since it uses less digits than its factorization.

1222013112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1222013112320 its reverse (232113102221), we get a palindrome (1454126214541).

The spelling of 1222013112320 in words is "one trillion, two hundred twenty-two billion, thirteen million, one hundred twelve thousand, three hundred twenty".