1212323332 has 24 divisors (see below), whose sum is σ = 2315359872. Its totient is φ = 550836000.

The previous prime is 1212323317. The next prime is 1212323369. The reversal of 1212323332 is 2333232121.

It is a super-2 number, since 2×1212323332² = 2939455722623164448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 165957 + ... + 173107.

It is an arithmetic number, because the mean of its divisors is an integer number (96473328).

Almost surely, 2^1212323332 is an apocalyptic number.

It is an amenable number.

1212323332 is a deficient number, since it is larger than the sum of its proper divisors (1103036540).

1212323332 is a wasteful number, since it uses less digits than its factorization.

1212323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019 (or 11017 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1212323332 is about 34818.4337959076. The cubic root of 1212323332 is about 1066.2838248921.

Adding to 1212323332 its reverse (2333232121), we get a palindrome (3545555453).

The spelling of 1212323332 in words is "one billion, two hundred twelve million, three hundred twenty-three thousand, three hundred thirty-two".