212130200001 has 4 divisors (see below), whose sum is σ = 282840266672. Its totient is φ = 141420133332.

The previous prime is 212130199999. The next prime is 212130200027. The reversal of 212130200001 is 100002031212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212130200001 - 2¹ = 212130199999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212130200001.

It is not an unprimeable number, because it can be changed into a prime (212130200041) 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, 35355033331 + ... + 35355033336.

It is an arithmetic number, because the mean of its divisors is an integer number (70710066668).

Almost surely, 2^212130200001 is an apocalyptic number.

It is an amenable number.

212130200001 is a deficient number, since it is larger than the sum of its proper divisors (70710066671).

212130200001 is an equidigital number, since it uses as much as digits as its factorization.

212130200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70710066670.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212130200001 its reverse (100002031212), we get a palindrome (312132231213).

The spelling of 212130200001 in words is "two hundred twelve billion, one hundred thirty million, two hundred thousand, one".