12212330 has 16 divisors (see below), whose sum is σ = 23673384. Its totient is φ = 4509120.

The previous prime is 12212327. The next prime is 12212363. The reversal of 12212330 is 3321221.

It is a happy number.

12212330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6017209 + 6195121 = 2453^2 + 2489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46841 + ... + 47100.

Almost surely, 2^12212330 is an apocalyptic number.

12212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212330 is a deficient number, since it is larger than the sum of its proper divisors (11461054).

12212330 is a wasteful number, since it uses less digits than its factorization.

12212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93961.

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

The square root of 12212330 is about 3494.6144279448. The cubic root of 12212330 is about 230.2852792794.

Adding to 12212330 its reverse (3321221), we get a palindrome (15533551).

The spelling of 12212330 in words is "twelve million, two hundred twelve thousand, three hundred thirty".