12100220012 has 6 divisors (see below), whose sum is σ = 21175385028. Its totient is φ = 6050110004.

The previous prime is 12100219981. The next prime is 12100220017. The reversal of 12100220012 is 21002200121.

It is a happy number.

12100220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12100219975 and 12100220002.

It is not an unprimeable number, because it can be changed into a prime (12100220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512527498 + ... + 1512527505.

It is an arithmetic number, because the mean of its divisors is an integer number (3529230838).

Almost surely, 2^12100220012 is an apocalyptic number.

It is an amenable number.

12100220012 is a deficient number, since it is larger than the sum of its proper divisors (9075165016).

12100220012 is a wasteful number, since it uses less digits than its factorization.

12100220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025055007 (or 3025055005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Subtracting from 12100220012 its sum of digits (11), we obtain a square (12100220001 = 110001²).

Adding to 12100220012 its reverse (21002200121), we get a palindrome (33102420133).

The spelling of 12100220012 in words is "twelve billion, one hundred million, two hundred twenty thousand, twelve".