12221220200001 has 8 divisors (see below), whose sum is σ = 16336849626240. Its totient is φ = 8126535453552.

The previous prime is 12221220199973. The next prime is 12221220200027. The reversal of 12221220200001 is 10000202212221.

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

It is not a de Polignac number, because 12221220200001 - 2¹⁹ = 12221219675713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221220270001) 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, 5236168585 + ... + 5236170918.

It is an arithmetic number, because the mean of its divisors is an integer number (2042106203280).

Almost surely, 2^{12221220200001} is an apocalyptic number.

It is an amenable number.

12221220200001 is a deficient number, since it is larger than the sum of its proper divisors (4115629426239).

12221220200001 is a wasteful number, since it uses less digits than its factorization.

12221220200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472339895.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12221220200001 its reverse (10000202212221), we get a palindrome (22221422412222).

The spelling of 12221220200001 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, two hundred thousand, one".