243013344212 has 6 divisors (see below), whose sum is σ = 425273352378. Its totient is φ = 121506672104.

The previous prime is 243013344139. The next prime is 243013344221. The reversal of 243013344212 is 212443310342.

It can be written as a sum of positive squares in only one way, i.e., 167637838096 + 75375506116 = 409436^2 + 274546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30376668023 + ... + 30376668030.

It is an arithmetic number, because the mean of its divisors is an integer number (70878892063).

Almost surely, 2^243013344212 is an apocalyptic number.

It is an amenable number.

243013344212 is a deficient number, since it is larger than the sum of its proper divisors (182260008166).

243013344212 is a wasteful number, since it uses less digits than its factorization.

243013344212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60753336057 (or 60753336055 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243013344212 its reverse (212443310342), we get a palindrome (455456654554).

The spelling of 243013344212 in words is "two hundred forty-three billion, thirteen million, three hundred forty-four thousand, two hundred twelve".