1320321412102 has 32 divisors (see below), whose sum is σ = 2491825501440. Its totient is φ = 509691566880.

The previous prime is 1320321412099. The next prime is 1320321412139. The reversal of 1320321412102 is 2012141230231.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 15 ways as a sum of consecutive naturals, for example, 39311268 + ... + 39344839.

It is an arithmetic number, because the mean of its divisors is an integer number (77869546920).

Almost surely, 2^{1320321412102} is an apocalyptic number.

1320321412102 is a deficient number, since it is larger than the sum of its proper divisors (1171504089338).

1320321412102 is a wasteful number, since it uses less digits than its factorization.

1320321412102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78656236.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1320321412102 its reverse (2012141230231), we get a palindrome (3332462642333).

The spelling of 1320321412102 in words is "one trillion, three hundred twenty billion, three hundred twenty-one million, four hundred twelve thousand, one hundred two".