1223042212 has 24 divisors (see below), whose sum is σ = 2450188160. Its totient is φ = 523281600.

The previous prime is 1223042209. The next prime is 1223042243. The reversal of 1223042212 is 2122403221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223042212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19512 + ... + 53167.

Almost surely, 2^1223042212 is an apocalyptic number.

It is an amenable number.

1223042212 is an abundant number, since it is smaller than the sum of its proper divisors (1227145948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223042212 is a wasteful number, since it uses less digits than its factorization.

1223042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73291 (or 73289 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1223042212 is about 34972.0204163271. The cubic root of 1223042212 is about 1069.4171606707.

Adding to 1223042212 its reverse (2122403221), we get a palindrome (3345445433).

The spelling of 1223042212 in words is "one billion, two hundred twenty-three million, forty-two thousand, two hundred twelve".