12102232111012 has 12 divisors (see below), whose sum is σ = 21178930648540. Its totient is φ = 6051109068576.

The previous prime is 12102232111001. The next prime is 12102232111049. The reversal of 12102232111012 is 21011123220121.

It can be written as a sum of positive squares in 2 ways, for example, as 2724269087296 + 9377963023716 = 1650536^2 + 3062346^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 5394718 + ... + 7301194.

Almost surely, 2^{12102232111012} is an apocalyptic number.

It is an amenable number.

12102232111012 is a deficient number, since it is larger than the sum of its proper divisors (9076698537528).

12102232111012 is a wasteful number, since it uses less digits than its factorization.

12102232111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493470 (or 3493468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12102232111012 its reverse (21011123220121), we get a palindrome (33113355331133).

The spelling of 12102232111012 in words is "twelve trillion, one hundred two billion, two hundred thirty-two million, one hundred eleven thousand, twelve".