1213230232 has 8 divisors (see below), whose sum is σ = 2274806700. Its totient is φ = 606615112.

The previous prime is 1213230209. The next prime is 1213230241. The reversal of 1213230232 is 2320323121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75826882 + ... + 75826897.

Almost surely, 2^1213230232 is an apocalyptic number.

It is an amenable number.

1213230232 is a deficient number, since it is larger than the sum of its proper divisors (1061576468).

1213230232 is a wasteful number, since it uses less digits than its factorization.

1213230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151653785 (or 151653781 counting only the distinct ones).

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

The square root of 1213230232 is about 34831.4546351426. The cubic root of 1213230232 is about 1066.5496428042.

Adding to 1213230232 its reverse (2320323121), we get a palindrome (3533553353).

The spelling of 1213230232 in words is "one billion, two hundred thirteen million, two hundred thirty thousand, two hundred thirty-two".