212123003010223 has 4 divisors (see below), whose sum is σ = 217056096103528. Its totient is φ = 207189909916920.

The previous prime is 212123003010197. The next prime is 212123003010293. The reversal of 212123003010223 is 322010300321212.

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 212123003010223 - 2⁴⁵ = 176938630921391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212123003010194 and 212123003010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212123003010293) 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, 2466546546588 + ... + 2466546546673.

It is an arithmetic number, because the mean of its divisors is an integer number (54264024025882).

Almost surely, 2^{212123003010223} is an apocalyptic number.

212123003010223 is a deficient number, since it is larger than the sum of its proper divisors (4933093093305).

212123003010223 is an equidigital number, since it uses as much as digits as its factorization.

212123003010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933093093304.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212123003010223 its reverse (322010300321212), we get a palindrome (534133303331435).

The spelling of 212123003010223 in words is "two hundred twelve trillion, one hundred twenty-three billion, three million, ten thousand, two hundred twenty-three".