212010200112001 has 4 divisors (see below), whose sum is σ = 212016015498052. Its totient is φ = 212004384725952.

The previous prime is 212010200111989. The next prime is 212010200112013. The reversal of 212010200112001 is 100211002010212.

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

It is an interprime number because it is at equal distance from previous prime (212010200111989) and next prime (212010200112013).

It can be written as a sum of positive squares in 2 ways, for example, as 113254803231376 + 98755396880625 = 10642124^2 + 9937575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212010200112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010200112901) 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, 2907638340 + ... + 2907711253.

It is an arithmetic number, because the mean of its divisors is an integer number (53004003874513).

Almost surely, 2^{212010200112001} is an apocalyptic number.

It is an amenable number.

212010200112001 is a deficient number, since it is larger than the sum of its proper divisors (5815386051).

212010200112001 is an equidigital number, since it uses as much as digits as its factorization.

212010200112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815386050.

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

Adding to 212010200112001 its reverse (100211002010212), we get a palindrome (312221202122213).

The spelling of 212010200112001 in words is "two hundred twelve trillion, ten billion, two hundred million, one hundred twelve thousand, one".