1232211330 has 72 divisors (see below), whose sum is σ = 3726823932. Its totient is φ = 281647296.

The previous prime is 1232211307. The next prime is 1232211359. The reversal of 1232211330 is 331122321.

1232211330 is a `hidden beast` number, since 1 + 2 + 322 + 11 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1219615929 + 12595401 = 34923^2 + 3549^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135297 + ... + 144116.

Almost surely, 2^1232211330 is an apocalyptic number.

1232211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232211330 is an abundant number, since it is smaller than the sum of its proper divisors (2494612602).

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

1232211330 is a wasteful number, since it uses less digits than its factorization.

1232211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279440 (or 279430 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232211330 is about 35102.8678315604. The cubic root of 1232211330 is about 1072.0829747768.

Adding to 1232211330 its reverse (331122321), we get a palindrome (1563333651).

The spelling of 1232211330 in words is "one billion, two hundred thirty-two million, two hundred eleven thousand, three hundred thirty".