243225267565412 has 12 divisors (see below), whose sum is σ = 464339147170416. Its totient is φ = 110556939802440.

The previous prime is 243225267565411. The next prime is 243225267565429. The reversal of 243225267565412 is 214565762522342.

It is not an unprimeable number, because it can be changed into a prime (243225267565411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763923495018 + ... + 2763923495105.

It is an arithmetic number, because the mean of its divisors is an integer number (38694928930868).

Almost surely, 2^{243225267565412} is an apocalyptic number.

243225267565412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243225267565412 is a deficient number, since it is larger than the sum of its proper divisors (221113879605004).

243225267565412 is a wasteful number, since it uses less digits than its factorization.

243225267565412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527846990138 (or 5527846990136 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 56.

The spelling of 243225267565412 in words is "two hundred forty-three trillion, two hundred twenty-five billion, two hundred sixty-seven million, five hundred sixty-five thousand, four hundred twelve".