212331202310123 has 16 divisors (see below), whose sum is σ = 232979920318656. Its totient is φ = 192299027007360.

The previous prime is 212331202310119. The next prime is 212331202310141. The reversal of 212331202310123 is 321013202133212.

It is not a de Polignac number, because 212331202310123 - 2² = 212331202310119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212331202310092 and 212331202310101.

It is not an unprimeable number, because it can be changed into a prime (212331202310323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170348186 + ... + 171590112.

It is an arithmetic number, because the mean of its divisors is an integer number (14561245019916).

Almost surely, 2^{212331202310123} is an apocalyptic number.

212331202310123 is a deficient number, since it is larger than the sum of its proper divisors (20648718008533).

212331202310123 is a wasteful number, since it uses less digits than its factorization.

212331202310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490134.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212331202310123 its reverse (321013202133212), we get a palindrome (533344404443335).

The spelling of 212331202310123 in words is "two hundred twelve trillion, three hundred thirty-one billion, two hundred two million, three hundred ten thousand, one hundred twenty-three".