12102222012132 has 24 divisors (see below), whose sum is σ = 32272592032576. Its totient is φ = 3457777717728.

The previous prime is 12102222012131. The next prime is 12102222012157. The reversal of 12102222012132 is 23121022220121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12102222012099 and 12102222012108.

It is not an unprimeable number, because it can be changed into a prime (12102222012131) 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, 72037035703 + ... + 72037035870.

Almost surely, 2^{12102222012132} is an apocalyptic number.

12102222012132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102222012132 is an abundant number, since it is smaller than the sum of its proper divisors (20170370020444).

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

12102222012132 is a wasteful number, since it uses less digits than its factorization.

12102222012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144074071587 (or 144074071585 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12102222012132 its reverse (23121022220121), we get a palindrome (35223244232253).

The spelling of 12102222012132 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, twelve thousand, one hundred thirty-two".