243212101112 has 16 divisors (see below), whose sum is σ = 456029926800. Its totient is φ = 121604120640.

The previous prime is 243212101109. The next prime is 243212101207. The reversal of 243212101112 is 211101212342.

It is a super-2 number, since 2×243212101112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 392189 + ... + 800147.

It is an arithmetic number, because the mean of its divisors is an integer number (28501870425).

Almost surely, 2^243212101112 is an apocalyptic number.

It is an amenable number.

243212101112 is a deficient number, since it is larger than the sum of its proper divisors (212817825688).

243212101112 is a wasteful number, since it uses less digits than its factorization.

243212101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482486 (or 482482 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 243212101112 its reverse (211101212342), we get a palindrome (454313313454).

The spelling of 243212101112 in words is "two hundred forty-three billion, two hundred twelve million, one hundred one thousand, one hundred twelve".