243254253012 has 48 divisors (see below), whose sum is σ = 568238899200. Its totient is φ = 80992584288.

The previous prime is 243254253007. The next prime is 243254253017. The reversal of 243254253012 is 210352452342.

It is an interprime number because it is at equal distance from previous prime (243254253007) and next prime (243254253017).

It is a super-2 number, since 2×243254253012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243254253017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61690713 + ... + 61694655.

It is an arithmetic number, because the mean of its divisors is an integer number (11838310400).

Almost surely, 2^243254253012 is an apocalyptic number.

It is an amenable number.

243254253012 is an abundant number, since it is smaller than the sum of its proper divisors (324984646188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243254253012 is a wasteful number, since it uses less digits than its factorization.

243254253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492 (or 8490 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 243254253012 in words is "two hundred forty-three billion, two hundred fifty-four million, two hundred fifty-three thousand, twelve".