212024134123 has 4 divisors (see below), whose sum is σ = 213900454008. Its totient is φ = 210147814240.

The previous prime is 212024134109. The next prime is 212024134139. The reversal of 212024134123 is 321431420212.

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 212024134123 - 2³⁷ = 74585180651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212024134103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938159773 + ... + 938159998.

It is an arithmetic number, because the mean of its divisors is an integer number (53475113502).

Almost surely, 2^212024134123 is an apocalyptic number.

212024134123 is a deficient number, since it is larger than the sum of its proper divisors (1876319885).

212024134123 is a wasteful number, since it uses less digits than its factorization.

212024134123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876319884.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212024134123 its reverse (321431420212), we get a palindrome (533455554335).

The spelling of 212024134123 in words is "two hundred twelve billion, twenty-four million, one hundred thirty-four thousand, one hundred twenty-three".