212524442123 has 8 divisors (see below), whose sum is σ = 242887887360. Its totient is φ = 182161699560.

The previous prime is 212524442113. The next prime is 212524442147. The reversal of 212524442123 is 321244425212.

212524442123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212524442123 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 212524442123.

It is not an unprimeable number, because it can be changed into a prime (212524442113) 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 7 ways as a sum of consecutive naturals, for example, 974528 + ... + 1172498.

It is an arithmetic number, because the mean of its divisors is an integer number (30360985920).

Almost surely, 2^212524442123 is an apocalyptic number.

212524442123 is a deficient number, since it is larger than the sum of its proper divisors (30363445237).

212524442123 is a wasteful number, since it uses less digits than its factorization.

212524442123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351337.

The product of its digits is 30720, while the sum is 32.

Adding to 212524442123 its reverse (321244425212), we get a palindrome (533768867335).

The spelling of 212524442123 in words is "two hundred twelve billion, five hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-three".