12156230 has 8 divisors (see below), whose sum is σ = 21881232. Its totient is φ = 4862488.

The previous prime is 12156217. The next prime is 12156233. The reversal of 12156230 is 3265121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156233) 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, 607802 + ... + 607821.

It is an arithmetic number, because the mean of its divisors is an integer number (2735154).

Almost surely, 2^12156230 is an apocalyptic number.

12156230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12156230 is a deficient number, since it is larger than the sum of its proper divisors (9725002).

12156230 is a wasteful number, since it uses less digits than its factorization.

12156230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215630.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12156230 is about 3486.5785521052. The cubic root of 12156230 is about 229.9321160721.

The spelling of 12156230 in words is "twelve million, one hundred fifty-six thousand, two hundred thirty".