201211212000001 has 8 divisors (see below), whose sum is σ = 231610028202560. Its totient is φ = 171225985133808.

The previous prime is 201211211999951. The next prime is 201211212000049. The reversal of 201211212000001 is 100000212112102.

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 201211212000001 - 2⁹ = 201211211999489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211212003001) 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, 103397333046 + ... + 103397334991.

It is an arithmetic number, because the mean of its divisors is an integer number (28951253525320).

Almost surely, 2^{201211212000001} is an apocalyptic number.

It is an amenable number.

201211212000001 is a deficient number, since it is larger than the sum of its proper divisors (30398816202559).

201211212000001 is a wasteful number, since it uses less digits than its factorization.

201211212000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206794668183.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201211212000001 its reverse (100000212112102), we get a palindrome (301211424112103).

The spelling of 201211212000001 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve million, one", and thus it is an aban number.