243155324122 has 32 divisors (see below), whose sum is σ = 402111734400. Its totient is φ = 109761398208.

The previous prime is 243155324117. The next prime is 243155324131. The reversal of 243155324122 is 221423551342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282013 + ... + 752224.

It is an arithmetic number, because the mean of its divisors is an integer number (12565991700).

Almost surely, 2^243155324122 is an apocalyptic number.

243155324122 is a deficient number, since it is larger than the sum of its proper divisors (158956410278).

243155324122 is a wasteful number, since it uses less digits than its factorization.

243155324122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034550.

The product of its digits is 57600, while the sum is 34.

Adding to 243155324122 its reverse (221423551342), we get a palindrome (464578875464).

The spelling of 243155324122 in words is "two hundred forty-three billion, one hundred fifty-five million, three hundred twenty-four thousand, one hundred twenty-two".