1212033222 has 24 divisors (see below), whose sum is σ = 2646123480. Its totient is φ = 400926240.

The previous prime is 1212033211. The next prime is 1212033253. The reversal of 1212033222 is 2223302121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1212033195 and 1212033204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254647 + ... + 259362.

It is an arithmetic number, because the mean of its divisors is an integer number (110255145).

Almost surely, 2^1212033222 is an apocalyptic number.

1212033222 is an abundant number, since it is smaller than the sum of its proper divisors (1434090258).

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

1212033222 is a wasteful number, since it uses less digits than its factorization.

1212033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514148 (or 514145 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1212033222 is about 34814.2675062969. The cubic root of 1212033222 is about 1066.1987638992.

Adding to 1212033222 its reverse (2223302121), we get a palindrome (3435335343).

The spelling of 1212033222 in words is "one billion, two hundred twelve million, thirty-three thousand, two hundred twenty-two".