12136230 has 40 divisors (see below), whose sum is σ = 32635152. Its totient is φ = 3236112.

The previous prime is 12136219. The next prime is 12136273. The reversal of 12136230 is 3263121.

It is a super-2 number, since 2×12136230² = 294576157225800, which contains 22 as substring.

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

It is a Curzon number.

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 19 ways as a sum of consecutive naturals, for example, 6682 + ... + 8301.

Almost surely, 2^12136230 is an apocalyptic number.

12136230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12136230 is an abundant number, since it is smaller than the sum of its proper divisors (20498922).

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

12136230 is a wasteful number, since it uses less digits than its factorization.

12136230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002 (or 14993 counting only the distinct ones).

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

The square root of 12136230 is about 3483.7092301167. The cubic root of 12136230 is about 229.8059484857.

Adding to 12136230 its reverse (3263121), we get a palindrome (15399351).

The spelling of 12136230 in words is "twelve million, one hundred thirty-six thousand, two hundred thirty".