243120303212 has 6 divisors (see below), whose sum is σ = 425460530628. Its totient is φ = 121560151604.

The previous prime is 243120303133. The next prime is 243120303221. The reversal of 243120303212 is 212303021342.

243120303212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30390037898 + ... + 30390037905.

It is an arithmetic number, because the mean of its divisors is an integer number (70910088438).

Almost surely, 2^243120303212 is an apocalyptic number.

It is an amenable number.

243120303212 is a deficient number, since it is larger than the sum of its proper divisors (182340227416).

243120303212 is a wasteful number, since it uses less digits than its factorization.

243120303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60780075807 (or 60780075805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 243120303212 its reverse (212303021342), we get a palindrome (455423324554).

The spelling of 243120303212 in words is "two hundred forty-three billion, one hundred twenty million, three hundred three thousand, two hundred twelve".