212301322123 has 8 divisors (see below), whose sum is σ = 235398188016. Its totient is φ = 189837247200.

The previous prime is 212301322111. The next prime is 212301322147. The reversal of 212301322123 is 321223103212.

212301322123 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 not a de Polignac number, because 212301322123 - 2²¹ = 212299224971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212301322094 and 212301322103.

It is not an unprimeable number, because it can be changed into a prime (212301322153) 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, 158197036 + ... + 158198377.

It is an arithmetic number, because the mean of its divisors is an integer number (29424773502).

Almost surely, 2^212301322123 is an apocalyptic number.

212301322123 is a deficient number, since it is larger than the sum of its proper divisors (23096865893).

212301322123 is a wasteful number, since it uses less digits than its factorization.

212301322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316395485.

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

Adding to 212301322123 its reverse (321223103212), we get a palindrome (533524425335).

Subtracting 212301322123 from its reverse (321223103212), we obtain a square (108921781089 = 330033²).

The spelling of 212301322123 in words is "two hundred twelve billion, three hundred one million, three hundred twenty-two thousand, one hundred twenty-three".