243420122004412 has 6 divisors (see below), whose sum is σ = 425985213507728. Its totient is φ = 121710061002204.

The previous prime is 243420122004401. The next prime is 243420122004419. The reversal of 243420122004412 is 214400221024342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243420122004419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30427515250548 + ... + 30427515250555.

Almost surely, 2^{243420122004412} is an apocalyptic number.

It is an amenable number.

243420122004412 is a deficient number, since it is larger than the sum of its proper divisors (182565091503316).

243420122004412 is a wasteful number, since it uses less digits than its factorization.

243420122004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60855030501107 (or 60855030501105 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 243420122004412 its reverse (214400221024342), we get a palindrome (457820343028754).

The spelling of 243420122004412 in words is "two hundred forty-three trillion, four hundred twenty billion, one hundred twenty-two million, four thousand, four hundred twelve".