1233212212 has 12 divisors (see below), whose sum is σ = 2158936416. Its totient is φ = 616373240.

The previous prime is 1233212171. The next prime is 1233212221. The reversal of 1233212212 is 2122123321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233212212.

It is a congruent number.

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, 46018 + ... + 67705.

It is an arithmetic number, because the mean of its divisors is an integer number (179911368).

Almost surely, 2^1233212212 is an apocalyptic number.

It is an amenable number.

1233212212 is a deficient number, since it is larger than the sum of its proper divisors (925724204).

1233212212 is a wasteful number, since it uses less digits than its factorization.

1233212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116438 (or 116436 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1233212212 is about 35117.1213512725. The cubic root of 1233212212 is about 1072.3731680062.

Adding to 1233212212 its reverse (2122123321), we get a palindrome (3355335533).

The spelling of 1233212212 in words is "one billion, two hundred thirty-three million, two hundred twelve thousand, two hundred twelve".