12231302 has 16 divisors (see below), whose sum is σ = 18697824. Its totient is φ = 6000000.

The previous prime is 12231283. The next prime is 12231311. The reversal of 12231302 is 20313221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30302 + ... + 30702.

It is an arithmetic number, because the mean of its divisors is an integer number (1168614).

Almost surely, 2^12231302 is an apocalyptic number.

12231302 is a deficient number, since it is larger than the sum of its proper divisors (6466522).

12231302 is a wasteful number, since it uses less digits than its factorization.

12231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12231302 is about 3497.3278370779. The cubic root of 12231302 is about 230.4044678877.

Adding to 12231302 its reverse (20313221), we get a palindrome (32544523).

The spelling of 12231302 in words is "twelve million, two hundred thirty-one thousand, three hundred two".