12201200012 has 6 divisors (see below), whose sum is σ = 21352100028. Its totient is φ = 6100600004.

The previous prime is 12201199987. The next prime is 12201200017. The reversal of 12201200012 is 21000210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201199966 and 12201200002.

It is not an unprimeable number, because it can be changed into a prime (12201200017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525149998 + ... + 1525150005.

It is an arithmetic number, because the mean of its divisors is an integer number (3558683338).

Almost surely, 2^12201200012 is an apocalyptic number.

It is an amenable number.

12201200012 is a deficient number, since it is larger than the sum of its proper divisors (9150900016).

12201200012 is a wasteful number, since it uses less digits than its factorization.

12201200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050300007 (or 3050300005 counting only the distinct ones).

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

Adding to 12201200012 its reverse (21000210221), we get a palindrome (33201410233).

The spelling of 12201200012 in words is "twelve billion, two hundred one million, two hundred thousand, twelve".