1232213320 has 32 divisors (see below), whose sum is σ = 2985748920. Its totient is φ = 454970880.

The previous prime is 1232213299. The next prime is 1232213321. The reversal of 1232213320 is 233122321.

It can be written as a sum of positive squares in 4 ways, for example, as 674025444 + 558187876 = 25962^2 + 23626^2 .

It is not an unprimeable number, because it can be changed into a prime (1232213321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184301 + ... + 1185340.

Almost surely, 2^1232213320 is an apocalyptic number.

1232213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232213320 is an abundant number, since it is smaller than the sum of its proper divisors (1753535600).

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

1232213320 is a wasteful number, since it uses less digits than its factorization.

1232213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369665 (or 2369661 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232213320 is about 35102.8961768114. The cubic root of 1232213320 is about 1072.0835519084.

Adding to 1232213320 its reverse (233122321), we get a palindrome (1465335641).

Subtracting from 1232213320 its reverse (233122321), we obtain a palindrome (999090999).

The spelling of 1232213320 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, three hundred twenty".