201212010002001 has 32 divisors (see below), whose sum is σ = 303110844301440. Its totient is φ = 117967463645184.

The previous prime is 201212010001999. The next prime is 201212010002027. The reversal of 201212010002001 is 100200010212102.

It is not a de Polignac number, because 201212010002001 - 2¹ = 201212010001999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212010001001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422183600 + ... + 1422325073.

It is an arithmetic number, because the mean of its divisors is an integer number (9472213884420).

Almost surely, 2^{201212010002001} is an apocalyptic number.

It is an amenable number.

201212010002001 is a deficient number, since it is larger than the sum of its proper divisors (101898834299439).

201212010002001 is a wasteful number, since it uses less digits than its factorization.

201212010002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844508785.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201212010002001 its reverse (100200010212102), we get a palindrome (301412020214103).

The spelling of 201212010002001 in words is "two hundred one trillion, two hundred twelve billion, ten million, two thousand, one".