12201020002 has 8 divisors (see below), whose sum is σ = 18372742956. Its totient is φ = 6076772352.

The previous prime is 12201019997. The next prime is 12201020009. The reversal of 12201020002 is 20002010221.

It can be written as a sum of positive squares in 2 ways, for example, as 11800259641 + 400760361 = 108629^2 + 20019^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12201020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868183 + ... + 11869210.

Almost surely, 2^12201020002 is an apocalyptic number.

12201020002 is a deficient number, since it is larger than the sum of its proper divisors (6171722954).

12201020002 is a wasteful number, since it uses less digits than its factorization.

12201020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23737652.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12201020002 its reverse (20002010221), we get a palindrome (32203030223).

The spelling of 12201020002 in words is "twelve billion, two hundred one million, twenty thousand, two".