212200310230123 has 2 divisors, whose sum is σ = 212200310230124. Its totient is φ = 212200310230122.

The previous prime is 212200310230079. The next prime is 212200310230189. The reversal of 212200310230123 is 321032013002212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212200310230123 - 2¹³ = 212200310221931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212200310230094 and 212200310230103.

It is not a weakly prime, because it can be changed into another prime (212200310231123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100155115061 + 106100155115062.

It is an arithmetic number, because the mean of its divisors is an integer number (106100155115062).

Almost surely, 2^{212200310230123} is an apocalyptic number.

212200310230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200310230123 is an equidigital number, since it uses as much as digits as its factorization.

212200310230123 is an evil number, because the sum of its binary digits is even.

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

Adding to 212200310230123 its reverse (321032013002212), we get a palindrome (533232323232335).

The spelling of 212200310230123 in words is "two hundred twelve trillion, two hundred billion, three hundred ten million, two hundred thirty thousand, one hundred twenty-three".