12220100002001 has 8 divisors (see below), whose sum is σ = 12522472417224. Its totient is φ = 11917933358080.

The previous prime is 12220100001983. The next prime is 12220100002007. The reversal of 12220100002001 is 10020000102221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42931425601 + 12177168576400 = 207199^2 + 3489580^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12220100002001 - 2²² = 12220095807697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220100002007) 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, 51322580 + ... + 51560133.

It is an arithmetic number, because the mean of its divisors is an integer number (1565309052153).

Almost surely, 2^{12220100002001} is an apocalyptic number.

It is an amenable number.

12220100002001 is a deficient number, since it is larger than the sum of its proper divisors (302372415223).

12220100002001 is a wasteful number, since it uses less digits than its factorization.

12220100002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102885651.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220100002001 its reverse (10020000102221), we get a palindrome (22240100104222).

The spelling of 12220100002001 in words is "twelve trillion, two hundred twenty billion, one hundred million, two thousand, one".