1222301212 has 12 divisors (see below), whose sum is σ = 2333484216. Its totient is φ = 555591440.

The previous prime is 1222301203. The next prime is 1222301237. The reversal of 1222301212 is 2121032221.

It is a happy number.

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, 13889743 + ... + 13889830.

It is an arithmetic number, because the mean of its divisors is an integer number (194457018).

Almost surely, 2^1222301212 is an apocalyptic number.

It is an amenable number.

1222301212 is a deficient number, since it is larger than the sum of its proper divisors (1111183004).

1222301212 is a wasteful number, since it uses less digits than its factorization.

1222301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27779588 (or 27779586 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1222301212 is about 34961.4246277236. The cubic root of 1222301212 is about 1069.2011424501.

Adding to 1222301212 its reverse (2121032221), we get a palindrome (3343333433).

The spelling of 1222301212 in words is "one billion, two hundred twenty-two million, three hundred one thousand, two hundred twelve".