12001200201 has 24 divisors (see below), whose sum is σ = 18433607400. Its totient is φ = 7497824256.

The previous prime is 12001200187. The next prime is 12001200203. The reversal of 12001200201 is 10200210021.

It can be written as a sum of positive squares in 4 ways, for example, as 3221697600 + 8779502601 = 56760^2 + 93699^2 .

It is not a de Polignac number, because 12001200201 - 2⁹ = 12001199689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12001200203) 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, 132676 + ... + 203973.

It is an arithmetic number, because the mean of its divisors is an integer number (768066975).

Almost surely, 2^12001200201 is an apocalyptic number.

It is an amenable number.

12001200201 is a deficient number, since it is larger than the sum of its proper divisors (6432407199).

12001200201 is a wasteful number, since it uses less digits than its factorization.

12001200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336905 (or 336902 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12001200201 its reverse (10200210021), we get a palindrome (22201410222).

The spelling of 12001200201 in words is "twelve billion, one million, two hundred thousand, two hundred one".