212234441123 has 4 divisors (see below), whose sum is σ = 212250451560. Its totient is φ = 212218430688.

The previous prime is 212234441057. The next prime is 212234441141. The reversal of 212234441123 is 321144432212.

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 212234441123 - 2²² = 212230246819 is a prime.

It is a super-2 number, since 2×212234441123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212234441173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7985318 + ... + 8011851.

It is an arithmetic number, because the mean of its divisors is an integer number (53062612890).

Almost surely, 2^212234441123 is an apocalyptic number.

212234441123 is a deficient number, since it is larger than the sum of its proper divisors (16010437).

212234441123 is a wasteful number, since it uses less digits than its factorization.

212234441123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010436.

The product of its digits is 9216, while the sum is 29.

Adding to 212234441123 its reverse (321144432212), we get a palindrome (533378873335).

The spelling of 212234441123 in words is "two hundred twelve billion, two hundred thirty-four million, four hundred forty-one thousand, one hundred twenty-three".