212232103123 has 4 divisors (see below), whose sum is σ = 212258972448. Its totient is φ = 212205233800.

The previous prime is 212232103033. The next prime is 212232103159. The reversal of 212232103123 is 321301232212.

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 212232103123 - 2²⁵ = 212198548691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212232103094 and 212232103103.

It is not an unprimeable number, because it can be changed into a prime (212232103163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13422811 + ... + 13438612.

It is an arithmetic number, because the mean of its divisors is an integer number (53064743112).

Almost surely, 2^212232103123 is an apocalyptic number.

212232103123 is a deficient number, since it is larger than the sum of its proper divisors (26869325).

212232103123 is an equidigital number, since it uses as much as digits as its factorization.

212232103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26869324.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212232103123 its reverse (321301232212), we get a palindrome (533533335335).

The spelling of 212232103123 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-three".