230138212 has 12 divisors (see below), whose sum is σ = 403160940. Its totient is φ = 114949376.

The previous prime is 230138159. The next prime is 230138213. The reversal of 230138212 is 212831032.

It can be written as a sum of positive squares in 2 ways, for example, as 141514816 + 88623396 = 11896^2 + 9414^2 .

It is not an unprimeable number, because it can be changed into a prime (230138213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25537 + ... + 33352.

It is an arithmetic number, because the mean of its divisors is an integer number (33596745).

Almost surely, 2^230138212 is an apocalyptic number.

It is an amenable number.

230138212 is a deficient number, since it is larger than the sum of its proper divisors (173022728).

230138212 is a wasteful number, since it uses less digits than its factorization.

230138212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59870 (or 59868 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 230138212 is about 15170.3069184509. The cubic root of 230138212 is about 612.8152697091.

Adding to 230138212 its reverse (212831032), we get a palindrome (442969244).

The spelling of 230138212 in words is "two hundred thirty million, one hundred thirty-eight thousand, two hundred twelve".