1323212022002 has 8 divisors (see below), whose sum is σ = 2137496343276. Its totient is φ = 610713240912.

The previous prime is 1323212021987. The next prime is 1323212022031. The reversal of 1323212022002 is 2002202123231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1249613215321 + 73598806681 = 1117861^2 + 271291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 25446385013 + ... + 25446385064.

Almost surely, 2^{1323212022002} is an apocalyptic number.

1323212022002 is a deficient number, since it is larger than the sum of its proper divisors (814284321274).

1323212022002 is a wasteful number, since it uses less digits than its factorization.

1323212022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50892770092.

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

Adding to 1323212022002 its reverse (2002202123231), we get a palindrome (3325414145233).

The spelling of 1323212022002 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, twenty-two thousand, two".