243221114012 has 24 divisors (see below), whose sum is σ = 444160184832. Its totient is φ = 116318615600.

The previous prime is 243221113999. The next prime is 243221114039. The reversal of 243221114012 is 210411122342.

It is a super-2 number, since 2×243221114012² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4594937 + ... + 4647567.

It is an arithmetic number, because the mean of its divisors is an integer number (18506674368).

Almost surely, 2^243221114012 is an apocalyptic number.

It is an amenable number.

243221114012 is a deficient number, since it is larger than the sum of its proper divisors (200939070820).

243221114012 is a wasteful number, since it uses less digits than its factorization.

243221114012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102889 (or 102887 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 243221114012 its reverse (210411122342), we get a palindrome (453632236354).

The spelling of 243221114012 in words is "two hundred forty-three billion, two hundred twenty-one million, one hundred fourteen thousand, twelve".