12212302 has 4 divisors (see below), whose sum is σ = 18318456. Its totient is φ = 6106150.

The previous prime is 12212297. The next prime is 12212303. The reversal of 12212302 is 20321221.

12212302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20321221 = 263 ⋅77267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053074 + ... + 3053077.

It is an arithmetic number, because the mean of its divisors is an integer number (4579614).

Almost surely, 2^12212302 is an apocalyptic number.

12212302 is a deficient number, since it is larger than the sum of its proper divisors (6106154).

12212302 is an equidigital number, since it uses as much as digits as its factorization.

12212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106153.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12212302 is about 3494.6104217781. The cubic root of 12212302 is about 230.2851032826.

Adding to 12212302 its reverse (20321221), we get a palindrome (32533523).

The spelling of 12212302 in words is "twelve million, two hundred twelve thousand, three hundred two".