12312282 has 8 divisors (see below), whose sum is σ = 24624576. Its totient is φ = 4104092.

The previous prime is 12312281. The next prime is 12312283. The reversal of 12312282 is 28221321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12312281) and next prime (12312283).

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

12312282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12312281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026018 + ... + 1026029.

It is an arithmetic number, because the mean of its divisors is an integer number (3078072).

Almost surely, 2^12312282 is an apocalyptic number.

12312282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12312282 is a wasteful number, since it uses less digits than its factorization.

12312282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052052.

The product of its digits is 384, while the sum is 21.

The square root of 12312282 is about 3508.8861480533. The cubic root of 12312282 is about 230.9118308218.

The spelling of 12312282 in words is "twelve million, three hundred twelve thousand, two hundred eighty-two".