12275212 has 12 divisors (see below), whose sum is σ = 21527856. Its totient is φ = 6124400.

The previous prime is 12275209. The next prime is 12275233. The reversal of 12275212 is 21257221.

12275212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (1793988).

Almost surely, 2^12275212 is an apocalyptic number.

It is an amenable number.

12275212 is a deficient number, since it is larger than the sum of its proper divisors (9252644).

12275212 is a wasteful number, since it uses less digits than its factorization.

12275212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6606 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 12275212 is about 3503.5998629981. The cubic root of 12275212 is about 230.6798536051.

Subtracting 12275212 from its reverse (21257221), we obtain a square (8982009 = 2997²).

The spelling of 12275212 in words is "twelve million, two hundred seventy-five thousand, two hundred twelve".