243112451312 has 20 divisors (see below), whose sum is σ = 471044232936. Its totient is φ = 121552649280.

The previous prime is 243112451261. The next prime is 243112451321. The reversal of 243112451312 is 213154211342.

It is a happy number.

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, 387983 + ... + 797969.

Almost surely, 2^243112451312 is an apocalyptic number.

It is an amenable number.

243112451312 is a deficient number, since it is larger than the sum of its proper divisors (227931781624).

243112451312 is a wasteful number, since it uses less digits than its factorization.

243112451312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447056 (or 447050 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 243112451312 its reverse (213154211342), we get a palindrome (456266662654).

The spelling of 243112451312 in words is "two hundred forty-three billion, one hundred twelve million, four hundred fifty-one thousand, three hundred twelve".