1323210222002 has 32 divisors (see below), whose sum is σ = 2023314124800. Its totient is φ = 648933405120.

The previous prime is 1323210221951. The next prime is 1323210222017. The reversal of 1323210222002 is 2002220123231.

It is a happy number.

It is a super-2 number, since 2×1323210222002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7852352 + ... + 8019092.

It is an arithmetic number, because the mean of its divisors is an integer number (63228566400).

Almost surely, 2^{1323210222002} is an apocalyptic number.

1323210222002 is a deficient number, since it is larger than the sum of its proper divisors (700103902798).

1323210222002 is a wasteful number, since it uses less digits than its factorization.

1323210222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167226.

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

Adding to 1323210222002 its reverse (2002220123231), we get a palindrome (3325430345233).

The spelling of 1323210222002 in words is "one trillion, three hundred twenty-three billion, two hundred ten million, two hundred twenty-two thousand, two".