1323321212102 has 16 divisors (see below), whose sum is σ = 2087096723712. Its totient is φ = 628061508360.

The previous prime is 1323321212077. The next prime is 1323321212113. The reversal of 1323321212102 is 2012121233231.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent 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, 109794938 + ... + 109806989.

It is an arithmetic number, because the mean of its divisors is an integer number (130443545232).

Almost surely, 2^{1323321212102} is an apocalyptic number.

1323321212102 is a deficient number, since it is larger than the sum of its proper divisors (763775511610).

1323321212102 is a wasteful number, since it uses less digits than its factorization.

1323321212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219602083.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1323321212102 its reverse (2012121233231), we get a palindrome (3335442445333).

The spelling of 1323321212102 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, two hundred twelve thousand, one hundred two".