212330021303123 has 4 divisors (see below), whose sum is σ = 215499126098760. Its totient is φ = 209160916507488.

The previous prime is 212330021303107. The next prime is 212330021303149. The reversal of 212330021303123 is 321303120033212.

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 212330021303123 - 2⁴ = 212330021303107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212330021303092 and 212330021303101.

It is not an unprimeable number, because it can be changed into a prime (212330027303123) 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, 1584552397718 + ... + 1584552397851.

It is an arithmetic number, because the mean of its divisors is an integer number (53874781524690).

Almost surely, 2^{212330021303123} is an apocalyptic number.

212330021303123 is a deficient number, since it is larger than the sum of its proper divisors (3169104795637).

212330021303123 is an equidigital number, since it uses as much as digits as its factorization.

212330021303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169104795636.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 212330021303123 its reverse (321303120033212), we get a palindrome (533633141336335).

The spelling of 212330021303123 in words is "two hundred twelve trillion, three hundred thirty billion, twenty-one million, three hundred three thousand, one hundred twenty-three".