243320122112 has 36 divisors (see below), whose sum is σ = 506806734000. Its totient is φ = 116370490368.

The previous prime is 243320122109. The next prime is 243320122139. The reversal of 243320122112 is 211221023342.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20656487 + ... + 20668262.

Almost surely, 2^243320122112 is an apocalyptic number.

It is an amenable number.

243320122112 is an abundant number, since it is smaller than the sum of its proper divisors (263486611888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243320122112 is an equidigital number, since it uses as much as digits as its factorization.

243320122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41324788 (or 41324774 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 243320122112 its reverse (211221023342), we get a palindrome (454541145454).

The spelling of 243320122112 in words is "two hundred forty-three billion, three hundred twenty million, one hundred twenty-two thousand, one hundred twelve".