1231204332 has 24 divisors (see below), whose sum is σ = 3024011200. Its totient is φ = 388801296.

The previous prime is 1231204319. The next prime is 1231204357. The reversal of 1231204332 is 2334021321.

It is a junction number, because it is equal to n+sod(n) for n = 1231204299 and 1231204308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699782 + ... + 2700237.

Almost surely, 2^1231204332 is an apocalyptic number.

1231204332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231204332 is an abundant number, since it is smaller than the sum of its proper divisors (1792806868).

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

1231204332 is a wasteful number, since it uses less digits than its factorization.

1231204332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400045 (or 5400043 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1231204332 is about 35088.5213709555. The cubic root of 1231204332 is about 1071.7908496605.

Adding to 1231204332 its reverse (2334021321), we get a palindrome (3565225653).

The spelling of 1231204332 in words is "one billion, two hundred thirty-one million, two hundred four thousand, three hundred thirty-two".