212301131030123 has 4 divisors (see below), whose sum is σ = 212330426074080. Its totient is φ = 212271835986168.

The previous prime is 212301131030111. The next prime is 212301131030129. The reversal of 212301131030123 is 321030131103212.

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 212301131030123 - 2⁶ = 212301131030059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212301131030129) 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, 14647511108 + ... + 14647525601.

It is an arithmetic number, because the mean of its divisors is an integer number (53082606518520).

Almost surely, 2^{212301131030123} is an apocalyptic number.

212301131030123 is a deficient number, since it is larger than the sum of its proper divisors (29295043957).

212301131030123 is an equidigital number, since it uses as much as digits as its factorization.

212301131030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295043956.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 212301131030123 its reverse (321030131103212), we get a palindrome (533331262133335).

The spelling of 212301131030123 in words is "two hundred twelve trillion, three hundred one billion, one hundred thirty-one million, thirty thousand, one hundred twenty-three".