1323222021002 has 16 divisors (see below), whose sum is σ = 2268399228480. Its totient is φ = 567090496608.

The previous prime is 1323222020999. The next prime is 1323222021067. The reversal of 1323222021002 is 2001202223231.

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, 1806449 + ... + 2430987.

It is an arithmetic number, because the mean of its divisors is an integer number (141774951780).

Almost surely, 2^{1323222021002} is an apocalyptic number.

1323222021002 is a deficient number, since it is larger than the sum of its proper divisors (945177207478).

1323222021002 is a wasteful number, since it uses less digits than its factorization.

1323222021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775885.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1323222021002 its reverse (2001202223231), we get a palindrome (3324424244233).

The spelling of 1323222021002 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, two".