12220220012001 has 16 divisors (see below), whose sum is σ = 16626210053760. Its totient is φ = 7981999804800.

The previous prime is 12220220011997. The next prime is 12220220012107. The reversal of 12220220012001 is 10021002202221.

It is not a de Polignac number, because 12220220012001 - 2² = 12220220011997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12220220012401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184735446 + ... + 184801583.

It is an arithmetic number, because the mean of its divisors is an integer number (1039138128360).

Almost surely, 2^{12220220012001} is an apocalyptic number.

It is an amenable number.

12220220012001 is a deficient number, since it is larger than the sum of its proper divisors (4405990041759).

12220220012001 is a wasteful number, since it uses less digits than its factorization.

12220220012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369537256.

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

Adding to 12220220012001 its reverse (10021002202221), we get a palindrome (22241222214222).

The spelling of 12220220012001 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twelve thousand, one".