212333213123 has 2 divisors, whose sum is σ = 212333213124. Its totient is φ = 212333213122.

The previous prime is 212333213063. The next prime is 212333213189. The reversal of 212333213123 is 321312333212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212333213123 - 2²² = 212329018819 is a prime.

It is a super-3 number, since 3×212333213123³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212333213092 and 212333213101.

It is not a weakly prime, because it can be changed into another prime (212333213423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166606561 + 106166606562.

It is an arithmetic number, because the mean of its divisors is an integer number (106166606562).

Almost surely, 2^212333213123 is an apocalyptic number.

212333213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212333213123 is an equidigital number, since it uses as much as digits as its factorization.

212333213123 is an evil number, because the sum of its binary digits is even.

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

Adding to 212333213123 its reverse (321312333212), we get a palindrome (533645546335).

The spelling of 212333213123 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-three".