243134011111012 has 48 divisors (see below), whose sum is σ = 487665399312000. Its totient is φ = 103901070438144.

The previous prime is 243134011110989. The next prime is 243134011111031. The reversal of 243134011111012 is 210111110431342.

It is a super-2 number, since 2×243134011111012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22247814 + ... + 31324642.

It is an arithmetic number, because the mean of its divisors is an integer number (10159695819000).

Almost surely, 2^{243134011111012} is an apocalyptic number.

It is an amenable number.

243134011111012 is an abundant number, since it is smaller than the sum of its proper divisors (244531388200988).

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

243134011111012 is a wasteful number, since it uses less digits than its factorization.

243134011111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079588 (or 9079586 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 243134011111012 its reverse (210111110431342), we get a palindrome (453245121542354).

The spelling of 243134011111012 in words is "two hundred forty-three trillion, one hundred thirty-four billion, eleven million, one hundred eleven thousand, twelve".