1320112422 has 48 divisors (see below), whose sum is σ = 2982320640. Its totient is φ = 421497216.

The previous prime is 1320112421. The next prime is 1320112471. The reversal of 1320112422 is 2242110231.

It is a happy number.

1320112422 is a `hidden beast` number, since 132 + 0 + 112 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320112395 and 1320112404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320112421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56338 + ... + 76250.

It is an arithmetic number, because the mean of its divisors is an integer number (62131680).

Almost surely, 2^1320112422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320112422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491160320).

1320112422 is an abundant number, since it is smaller than the sum of its proper divisors (1662208218).

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

1320112422 is a wasteful number, since it uses less digits than its factorization.

1320112422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20077 (or 20074 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1320112422 is about 36333.3513730842. The cubic root of 1320112422 is about 1096.9924516692.

Adding to 1320112422 its reverse (2242110231), we get a palindrome (3562222653).

The spelling of 1320112422 in words is "one billion, three hundred twenty million, one hundred twelve thousand, four hundred twenty-two".