1220333332312 has 16 divisors (see below), whose sum is σ = 2290281588000. Its totient is φ = 609591575520.

The previous prime is 1220333332303. The next prime is 1220333332313. The reversal of 1220333332312 is 2132333330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220333332313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71877312 + ... + 71894287.

It is an arithmetic number, because the mean of its divisors is an integer number (143142599250).

Almost surely, 2^{1220333332312} is an apocalyptic number.

It is an amenable number.

1220333332312 is a deficient number, since it is larger than the sum of its proper divisors (1069948255688).

1220333332312 is a wasteful number, since it uses less digits than its factorization.

1220333332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143772666 (or 143772662 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1220333332312 its reverse (2132333330221), we get a palindrome (3352666662533).

The spelling of 1220333332312 in words is "one trillion, two hundred twenty billion, three hundred thirty-three million, three hundred thirty-two thousand, three hundred twelve".