212012120212001 has 16 divisors (see below), whose sum is σ = 221596698723840. Its totient is φ = 202458246904320.

The previous prime is 212012120211953. The next prime is 212012120212027. The reversal of 212012120212001 is 100212021210212.

It is a cyclic number.

It is not a de Polignac number, because 212012120212001 - 2⁶ = 212012120211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012120212051) 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, 60491261 + ... + 63900053.

It is an arithmetic number, because the mean of its divisors is an integer number (13849793670240).

Almost surely, 2^{212012120212001} is an apocalyptic number.

It is an amenable number.

212012120212001 is a deficient number, since it is larger than the sum of its proper divisors (9584578511839).

212012120212001 is a wasteful number, since it uses less digits than its factorization.

212012120212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413296.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212012120212001 its reverse (100212021210212), we get a palindrome (312224141422213).

The spelling of 212012120212001 in words is "two hundred twelve trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, one".