12102101220112 has 40 divisors (see below), whose sum is σ = 23541397434936. Its totient is φ = 6026906566656.

The previous prime is 12102101220089. The next prime is 12102101220193. The reversal of 12102101220112 is 21102210120121.

It can be written as a sum of positive squares in 4 ways, for example, as 3842478130176 + 8259623089936 = 1960224^2 + 2873956^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42759448 + ... + 43041544.

Almost surely, 2^{12102101220112} is an apocalyptic number.

It is an amenable number.

12102101220112 is a deficient number, since it is larger than the sum of its proper divisors (11439296214824).

12102101220112 is a wasteful number, since it uses less digits than its factorization.

12102101220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292795 (or 292789 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12102101220112 its reverse (21102210120121), we get a palindrome (33204311340233).

The spelling of 12102101220112 in words is "twelve trillion, one hundred two billion, one hundred one million, two hundred twenty thousand, one hundred twelve".