212235112123 has 2 divisors, whose sum is σ = 212235112124. Its totient is φ = 212235112122.

The previous prime is 212235112097. The next prime is 212235112241. The reversal of 212235112123 is 321211532212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212235112123 - 2³³ = 203645177531 is a prime.

It is not a weakly prime, because it can be changed into another prime (212235110123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106117556061 + 106117556062.

It is an arithmetic number, because the mean of its divisors is an integer number (106117556062).

Almost surely, 2^212235112123 is an apocalyptic number.

212235112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212235112123 is an equidigital number, since it uses as much as digits as its factorization.

212235112123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

Adding to 212235112123 its reverse (321211532212), we get a palindrome (533446644335).

The spelling of 212235112123 in words is "two hundred twelve billion, two hundred thirty-five million, one hundred twelve thousand, one hundred twenty-three".