12102212100012 has 144 divisors (see below), whose sum is σ = 29151911900160. Its totient is φ = 3906734727168.

The previous prime is 12102212099969. The next prime is 12102212100049. The reversal of 12102212100012 is 21000121220121.

It is a junction number, because it is equal to n+sod(n) for n = 12102212099964 and 12102212100000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1007923713 + ... + 1007935719.

It is an arithmetic number, because the mean of its divisors is an integer number (202443832640).

Almost surely, 2^{12102212100012} is an apocalyptic number.

12102212100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102212100012 is an abundant number, since it is smaller than the sum of its proper divisors (17049699800148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102212100012 is a wasteful number, since it uses less digits than its factorization.

12102212100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400 (or 12301 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102212100012 its reverse (21000121220121), we get a palindrome (33102333320133).

The spelling of 12102212100012 in words is "twelve trillion, one hundred two billion, two hundred twelve million, one hundred thousand, twelve".