212102210001 has 32 divisors (see below), whose sum is σ = 309052130688. Its totient is φ = 128322109440.

The previous prime is 212102209987. The next prime is 212102210017. The reversal of 212102210001 is 100012201212.

It is not a de Polignac number, because 212102210001 - 2¹⁹ = 212101685713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102210701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67611505 + ... + 67614641.

It is an arithmetic number, because the mean of its divisors is an integer number (9657879084).

Almost surely, 2^212102210001 is an apocalyptic number.

It is an amenable number.

212102210001 is a deficient number, since it is larger than the sum of its proper divisors (96949920687).

212102210001 is a wasteful number, since it uses less digits than its factorization.

212102210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

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

Adding to 212102210001 its reverse (100012201212), we get a palindrome (312114411213).

The spelling of 212102210001 in words is "two hundred twelve billion, one hundred two million, two hundred ten thousand, one".