12102102031312 has 10 divisors (see below), whose sum is σ = 23447822685698. Its totient is φ = 6051051015648.

The previous prime is 12102102031231. The next prime is 12102102031363. The reversal of 12102102031312 is 21313020120121.

It can be written as a sum of positive squares in only one way, i.e., 12006890289216 + 95211742096 = 3465096^2 + 308564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12102102031312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378190688463 + ... + 378190688494.

Almost surely, 2^{12102102031312} is an apocalyptic number.

It is an amenable number.

12102102031312 is a deficient number, since it is larger than the sum of its proper divisors (11345720654386).

12102102031312 is an equidigital number, since it uses as much as digits as its factorization.

12102102031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756381376965 (or 756381376959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12102102031312 its reverse (21313020120121), we get a palindrome (33415122151433).

The spelling of 12102102031312 in words is "twelve trillion, one hundred two billion, one hundred two million, thirty-one thousand, three hundred twelve".