12012200209 has 8 divisors (see below), whose sum is σ = 12132890432. Its totient is φ = 11891588400.

The previous prime is 12012200203. The next prime is 12012200219. The reversal of 12012200209 is 90200221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012200209 is a prime.

It is a super-2 number, since 2×12012200209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012200203) 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, 317134 + ... + 352984.

It is an arithmetic number, because the mean of its divisors is an integer number (1516611304).

Almost surely, 2^12012200209 is an apocalyptic number.

It is an amenable number.

12012200209 is a deficient number, since it is larger than the sum of its proper divisors (120690223).

12012200209 is a wasteful number, since it uses less digits than its factorization.

12012200209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39207.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 12012200209 in words is "twelve billion, twelve million, two hundred thousand, two hundred nine".