12158202 has 32 divisors (see below), whose sum is σ = 28006272. Its totient is φ = 3446784.

The previous prime is 12158197. The next prime is 12158203. The reversal of 12158202 is 20285121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12158203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4698 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (875196).

Almost surely, 2^12158202 is an apocalyptic number.

12158202 is an abundant number, since it is smaller than the sum of its proper divisors (15848070).

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

12158202 is a wasteful number, since it uses less digits than its factorization.

12158202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12158202 is about 3486.8613393710. The cubic root of 12158202 is about 229.9445486990.

The spelling of 12158202 in words is "twelve million, one hundred fifty-eight thousand, two hundred two".