1222124312 has 16 divisors (see below), whose sum is σ = 2320490400. Its totient is φ = 603326880.

The previous prime is 1222124291. The next prime is 1222124329. The reversal of 1222124312 is 2134212221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966239 + ... + 967502.

It is an arithmetic number, because the mean of its divisors is an integer number (145030650).

Almost surely, 2^1222124312 is an apocalyptic number.

It is an amenable number.

1222124312 is a deficient number, since it is larger than the sum of its proper divisors (1098366088).

1222124312 is a wasteful number, since it uses less digits than its factorization.

1222124312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933826 (or 1933822 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1222124312 is about 34958.8946049500. The cubic root of 1222124312 is about 1069.1495591999.

Adding to 1222124312 its reverse (2134212221), we get a palindrome (3356336533).

The spelling of 1222124312 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, three hundred twelve".