2012201220001 has 16 divisors (see below), whose sum is σ = 2340834419200. Its totient is φ = 1694088235008.

The previous prime is 2012201219993. The next prime is 2012201220023. The reversal of 2012201220001 is 1000221022102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2012201220001 - 2³ = 2012201219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012201220091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9319956 + ... + 9533413.

It is an arithmetic number, because the mean of its divisors is an integer number (146302151200).

Almost surely, 2^{2012201220001} is an apocalyptic number.

It is an amenable number.

2012201220001 is a deficient number, since it is larger than the sum of its proper divisors (328633199199).

2012201220001 is a wasteful number, since it uses less digits than its factorization.

2012201220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18853648.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012201220001 its reverse (1000221022102), we get a palindrome (3012422242103).

The spelling of 2012201220001 in words is "two trillion, twelve billion, two hundred one million, two hundred twenty thousand, one".