243044020012 has 6 divisors (see below), whose sum is σ = 425327035028. Its totient is φ = 121522010004.

The previous prime is 243044019983. The next prime is 243044020039. The reversal of 243044020012 is 210020440342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30380502498 + ... + 30380502505.

Almost surely, 2^243044020012 is an apocalyptic number.

It is an amenable number.

243044020012 is a deficient number, since it is larger than the sum of its proper divisors (182283015016).

243044020012 is a wasteful number, since it uses less digits than its factorization.

243044020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60761005007 (or 60761005005 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 243044020012 its reverse (210020440342), we get a palindrome (453064460354).

The spelling of 243044020012 in words is "two hundred forty-three billion, forty-four million, twenty thousand, twelve".