1320012232 has 96 divisors (see below), whose sum is σ = 3273076800. Its totient is φ = 487175040.

The previous prime is 1320012217. The next prime is 1320012257. The reversal of 1320012232 is 2322100231.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123618 + ... + 133870.

It is an arithmetic number, because the mean of its divisors is an integer number (34094550).

Almost surely, 2^1320012232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636538400).

1320012232 is an abundant number, since it is smaller than the sum of its proper divisors (1953064568).

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

1320012232 is a wasteful number, since it uses less digits than its factorization.

1320012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307 (or 10292 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320012232 is about 36331.9725861396. The cubic root of 1320012232 is about 1096.9646988677.

Adding to 1320012232 its reverse (2322100231), we get a palindrome (3642112463).

The spelling of 1320012232 in words is "one billion, three hundred twenty million, twelve thousand, two hundred thirty-two".