12023212 has 12 divisors (see below), whose sum is σ = 21097440. Its totient is φ = 5995376.

The previous prime is 12023191. The next prime is 12023239. The reversal of 12023212 is 21232021.

It is a junction number, because it is equal to n+sod(n) for n = 12023192 and 12023201.

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, 2308 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (1758120).

Almost surely, 2^12023212 is an apocalyptic number.

It is an amenable number.

12023212 is a deficient number, since it is larger than the sum of its proper divisors (9074228).

12023212 is a wasteful number, since it uses less digits than its factorization.

12023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8118 counting only the distinct ones).

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

The square root of 12023212 is about 3467.4503601350. The cubic root of 12023212 is about 229.0903706936.

Adding to 12023212 its reverse (21232021), we get a palindrome (33255233).

It can be divided in two parts, 120 and 23212, that added together give a palindrome (23332).

The spelling of 12023212 in words is "twelve million, twenty-three thousand, two hundred twelve".