12201130102212 has 72 divisors (see below), whose sum is σ = 31310992084736. Its totient is φ = 4005199306944.

The previous prime is 12201130102181. The next prime is 12201130102219. The reversal of 12201130102212 is 21220103110221.

12201130102212 is a `hidden beast` number, since 1 + 220 + 1 + 130 + 102 + 212 = 666.

It is a super-2 number, since 2×12201130102212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12201130102219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7763853 + ... + 9202155.

Almost surely, 2^{12201130102212} is an apocalyptic number.

12201130102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12201130102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15655496042368).

12201130102212 is an abundant number, since it is smaller than the sum of its proper divisors (19109861982524).

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

12201130102212 is a wasteful number, since it uses less digits than its factorization.

12201130102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441897 (or 1441892 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12201130102212 its reverse (21220103110221), we get a palindrome (33421233212433).

The spelling of 12201130102212 in words is "twelve trillion, two hundred one billion, one hundred thirty million, one hundred two thousand, two hundred twelve".