1230113212 has 24 divisors (see below), whose sum is σ = 2216839856. Its totient is φ = 596913408.

The previous prime is 1230113207. The next prime is 1230113249. The reversal of 1230113212 is 2123110321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 49780.

Almost surely, 2^1230113212 is an apocalyptic number.

It is an amenable number.

1230113212 is a deficient number, since it is larger than the sum of its proper divisors (986726644).

1230113212 is a wasteful number, since it uses less digits than its factorization.

1230113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45757 (or 45755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1230113212 is about 35072.9698200765. The cubic root of 1230113212 is about 1071.4741413134.

Adding to 1230113212 its reverse (2123110321), we get a palindrome (3353223533).

The spelling of 1230113212 in words is "one billion, two hundred thirty million, one hundred thirteen thousand, two hundred twelve".