1322021200012 has 24 divisors (see below), whose sum is σ = 2338245756000. Its totient is φ = 653961081600.

The previous prime is 1322021200009. The next prime is 1322021200039. The reversal of 1322021200012 is 2100021202231.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737512 + ... + 1785487.

It is an arithmetic number, because the mean of its divisors is an integer number (97426906500).

Almost surely, 2^{1322021200012} is an apocalyptic number.

It is an amenable number.

1322021200012 is a deficient number, since it is larger than the sum of its proper divisors (1016224555988).

1322021200012 is a wasteful number, since it uses less digits than its factorization.

1322021200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524401 (or 2524399 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1322021200012 its reverse (2100021202231), we get a palindrome (3422042402243).

The spelling of 1322021200012 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred thousand, twelve".