243634626122 has 4 divisors (see below), whose sum is σ = 365451939186. Its totient is φ = 121817313060.

The previous prime is 243634626119. The next prime is 243634626127. The reversal of 243634626122 is 221626436342.

243634626122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 243008575681 + 626050441 = 492959^2 + 25021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243634626122.

It is not an unprimeable number, because it can be changed into a prime (243634626127) by changing a digit.

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, 60908656529 + ... + 60908656532.

Almost surely, 2^243634626122 is an apocalyptic number.

243634626122 is a deficient number, since it is larger than the sum of its proper divisors (121817313064).

243634626122 is a wasteful number, since it uses less digits than its factorization.

243634626122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121817313063.

The product of its digits is 497664, while the sum is 41.

The spelling of 243634626122 in words is "two hundred forty-three billion, six hundred thirty-four million, six hundred twenty-six thousand, one hundred twenty-two".