2012001212201 has 4 divisors (see below), whose sum is σ = 2012156316612. Its totient is φ = 2011846107792.

The previous prime is 2012001212191. The next prime is 2012001212227. The reversal of 2012001212201 is 1022121002102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 676876425625 + 1335124786576 = 822725^2 + 1155476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012001212201 - 2¹⁰ = 2012001211177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012001212401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77532746 + ... + 77558691.

It is an arithmetic number, because the mean of its divisors is an integer number (503039079153).

Almost surely, 2^{2012001212201} is an apocalyptic number.

It is an amenable number.

2012001212201 is a deficient number, since it is larger than the sum of its proper divisors (155104411).

2012001212201 is a wasteful number, since it uses less digits than its factorization.

2012001212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155104410.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012001212201 its reverse (1022121002102), we get a palindrome (3034122214303).

The spelling of 2012001212201 in words is "two trillion, twelve billion, one million, two hundred twelve thousand, two hundred one".