243054213512 has 32 divisors (see below), whose sum is σ = 497454523200. Its totient is φ = 110412926400.

The previous prime is 243054213511. The next prime is 243054213527. The reversal of 243054213512 is 215312450342.

243054213512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243054213511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680564 + ... + 974307.

It is an arithmetic number, because the mean of its divisors is an integer number (15545453850).

Almost surely, 2^243054213512 is an apocalyptic number.

243054213512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243054213512 is an abundant number, since it is smaller than the sum of its proper divisors (254400309688).

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

243054213512 is a wasteful number, since it uses less digits than its factorization.

243054213512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656557 (or 1656553 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 243054213512 its reverse (215312450342), we get a palindrome (458366663854).

The spelling of 243054213512 in words is "two hundred forty-three billion, fifty-four million, two hundred thirteen thousand, five hundred twelve".