243245615122 has 16 divisors (see below), whose sum is σ = 369884859552. Its totient is φ = 119950826400.

The previous prime is 243245615113. The next prime is 243245615131. The reversal of 243245615122 is 221516542342.

It is an interprime number because it is at equal distance from previous prime (243245615113) and next prime (243245615131).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5298993 + ... + 5344699.

It is an arithmetic number, because the mean of its divisors is an integer number (23117803722).

Almost surely, 2^243245615122 is an apocalyptic number.

243245615122 is a deficient number, since it is larger than the sum of its proper divisors (126639244430).

243245615122 is a wasteful number, since it uses less digits than its factorization.

243245615122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82233.

The product of its digits is 115200, while the sum is 37.

It can be divided in two parts, 2432456 and 15122, that added together give a triangular number (2447578 = T₂₂₁₂).

The spelling of 243245615122 in words is "two hundred forty-three billion, two hundred forty-five million, six hundred fifteen thousand, one hundred twenty-two".