212242241223 has 24 divisors (see below), whose sum is σ = 336628223568. Its totient is φ = 133171599744.

The previous prime is 212242241219. The next prime is 212242241317. The reversal of 212242241223 is 322142242212.

212242241223 is a `hidden beast` number, since 2 + 1 + 2 + 242 + 2 + 412 + 2 + 3 = 666.

It is not a de Polignac number, because 212242241223 - 2² = 212242241219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212242241423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25684836 + ... + 25693097.

It is an arithmetic number, because the mean of its divisors is an integer number (14026175982).

Almost surely, 2^212242241223 is an apocalyptic number.

212242241223 is a deficient number, since it is larger than the sum of its proper divisors (124385982345).

212242241223 is an equidigital number, since it uses as much as digits as its factorization.

212242241223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51377965 (or 51377953 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 212242241223 its reverse (322142242212), we get a palindrome (534384483435).

The spelling of 212242241223 in words is "two hundred twelve billion, two hundred forty-two million, two hundred forty-one thousand, two hundred twenty-three".