212112312030101 has 16 divisors (see below), whose sum is σ = 242628421269504. Its totient is φ = 181649795733504.

The previous prime is 212112312030053. The next prime is 212112312030109. The reversal of 212112312030101 is 101030213211212.

It is not a de Polignac number, because 212112312030101 - 2¹⁰ = 212112312029077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112312030109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566453531 + ... + 566827863.

It is an arithmetic number, because the mean of its divisors is an integer number (15164276329344).

Almost surely, 2^{212112312030101} is an apocalyptic number.

It is an amenable number.

212112312030101 is a deficient number, since it is larger than the sum of its proper divisors (30516109239403).

212112312030101 is a wasteful number, since it uses less digits than its factorization.

212112312030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445700.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212112312030101 its reverse (101030213211212), we get a palindrome (313142525241313).

It can be divided in two parts, 212112 and 312030101, that added together give a palindrome (312242213).

The spelling of 212112312030101 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred twelve million, thirty thousand, one hundred one".