1303220112 has 80 divisors (see below), whose sum is σ = 3527774208. Its totient is φ = 413776000.

The previous prime is 1303220111. The next prime is 1303220117. The reversal of 1303220112 is 2110223031.

1303220112 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1303220091 and 1303220100.

It is not an unprimeable number, because it can be changed into a prime (1303220111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274753 + ... + 279455.

Almost surely, 2^1303220112 is an apocalyptic number.

1303220112 is a gapful number since it is divisible by the number (12) 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 1303220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763887104).

1303220112 is an abundant number, since it is smaller than the sum of its proper divisors (2224554096).

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

1303220112 is a wasteful number, since it uses less digits than its factorization.

1303220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1303220112 is about 36100.1400551300. The cubic root of 1303220112 is about 1092.2932701294.

Adding to 1303220112 its reverse (2110223031), we get a palindrome (3413443143).

The spelling of 1303220112 in words is "one billion, three hundred three million, two hundred twenty thousand, one hundred twelve".