12102223220168 has 32 divisors (see below), whose sum is σ = 22850765955000. Its totient is φ = 6008709826560.

The previous prime is 12102223220167. The next prime is 12102223220173. The reversal of 12102223220168 is 86102232220121.

It can be written as a sum of positive squares in 4 ways, for example, as 11700244395844 + 401978824324 = 3420562^2 + 634018^2 .

It is not an unprimeable number, because it can be changed into a prime (12102223220167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495918 + ... + 5516706.

Almost surely, 2^{12102223220168} is an apocalyptic number.

It is an amenable number.

12102223220168 is a deficient number, since it is larger than the sum of its proper divisors (10748542734832).

12102223220168 is a wasteful number, since it uses less digits than its factorization.

12102223220168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024305 (or 3024301 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 12102223220168 its reverse (86102232220121), we get a palindrome (98204455440289).

The spelling of 12102223220168 in words is "twelve trillion, one hundred two billion, two hundred twenty-three million, two hundred twenty thousand, one hundred sixty-eight".