212010020110123 has 2 divisors, whose sum is σ = 212010020110124. Its totient is φ = 212010020110122.

The previous prime is 212010020110111. The next prime is 212010020110193. The reversal of 212010020110123 is 321011020010212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212010020110123 - 2²¹ = 212010018012971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212010020110097 and 212010020110106.

It is not a weakly prime, because it can be changed into another prime (212010020110193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005010055061 + 106005010055062.

It is an arithmetic number, because the mean of its divisors is an integer number (106005010055062).

Almost surely, 2^{212010020110123} is an apocalyptic number.

212010020110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010020110123 is an equidigital number, since it uses as much as digits as its factorization.

212010020110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212010020110123 its reverse (321011020010212), we get a palindrome (533021040120335).

The spelling of 212010020110123 in words is "two hundred twelve trillion, ten billion, twenty million, one hundred ten thousand, one hundred twenty-three".