12102311101210 has 48 divisors (see below), whose sum is σ = 23945234749128. Its totient is φ = 4400718692480.

The previous prime is 12102311101159. The next prime is 12102311101213. The reversal of 12102311101210 is 1210111320121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8063549650321 + 4038761450889 = 2839639^2 + 2009667^2 .

It is not an unprimeable number, because it can be changed into a prime (12102311101213) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 51638412 + ... + 51872248.

Almost surely, 2^{12102311101210} is an apocalyptic number.

12102311101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102311101210 is a deficient number, since it is larger than the sum of its proper divisors (11842923647918).

12102311101210 is a wasteful number, since it uses less digits than its factorization.

12102311101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276639 (or 276628 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12102311101210 its reverse (1210111320121), we get a palindrome (13312422421331).

The spelling of 12102311101210 in words is "twelve trillion, one hundred two billion, three hundred eleven million, one hundred one thousand, two hundred ten".