212342212041223 has 4 divisors (see below), whose sum is σ = 231646049499528. Its totient is φ = 193038374582920.

The previous prime is 212342212041221. The next prime is 212342212041277. The reversal of 212342212041223 is 322140212243212.

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

It is a cyclic number.

It is not a de Polignac number, because 212342212041223 - 2¹ = 212342212041221 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 (212342212041221) 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 3 ways as a sum of consecutive naturals, for example, 9651918729136 + ... + 9651918729157.

It is an arithmetic number, because the mean of its divisors is an integer number (57911512374882).

Almost surely, 2^{212342212041223} is an apocalyptic number.

212342212041223 is a deficient number, since it is larger than the sum of its proper divisors (19303837458305).

212342212041223 is a wasteful number, since it uses less digits than its factorization.

212342212041223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19303837458304.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 212342212041223 its reverse (322140212243212), we get a palindrome (534482424284435).

The spelling of 212342212041223 in words is "two hundred twelve trillion, three hundred forty-two billion, two hundred twelve million, forty-one thousand, two hundred twenty-three".