1213331320102 has 32 divisors (see below), whose sum is σ = 2054020446720. Its totient is φ = 532469189280.

The previous prime is 1213331320079. The next prime is 1213331320127. The reversal of 1213331320102 is 2010231333121.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17144113 + ... + 17214739.

It is an arithmetic number, because the mean of its divisors is an integer number (64188138960).

Almost surely, 2^{1213331320102} is an apocalyptic number.

1213331320102 is a deficient number, since it is larger than the sum of its proper divisors (840689126618).

1213331320102 is a wasteful number, since it uses less digits than its factorization.

1213331320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97596.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213331320102 its reverse (2010231333121), we get a palindrome (3223562653223).

The spelling of 1213331320102 in words is "one trillion, two hundred thirteen billion, three hundred thirty-one million, three hundred twenty thousand, one hundred two".