201212020001 has 8 divisors (see below), whose sum is σ = 201323810304. Its totient is φ = 201100268160.

The previous prime is 201212019991. The next prime is 201212020003. The reversal of 201212020001 is 100020212102.

It is a happy number.

201212020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201212020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212020003) 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 7 ways as a sum of consecutive naturals, for example, 19677176 + ... + 19687398.

It is an arithmetic number, because the mean of its divisors is an integer number (25165476288).

Almost surely, 2^201212020001 is an apocalyptic number.

It is an amenable number.

201212020001 is a deficient number, since it is larger than the sum of its proper divisors (111790303).

201212020001 is a wasteful number, since it uses less digits than its factorization.

201212020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231.

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

Adding to 201212020001 its reverse (100020212102), we get a palindrome (301232232103).

The spelling of 201212020001 in words is "two hundred one billion, two hundred twelve million, twenty thousand, one".