121332304442242 has 24 divisors (see below), whose sum is σ = 192082492252332. Its totient is φ = 57472892064000.

The previous prime is 121332304442203. The next prime is 121332304442263. The reversal of 121332304442242 is 242244403233121.

It can be written as a sum of positive squares in 2 ways, for example, as 101152883835441 + 20179420606801 = 10057479^2 + 4492151^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195323742 + ... + 195943942.

Almost surely, 2^{121332304442242} is an apocalyptic number.

121332304442242 is a deficient number, since it is larger than the sum of its proper divisors (70750187810090).

121332304442242 is a wasteful number, since it uses less digits than its factorization.

121332304442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891202 (or 891183 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 121332304442242 its reverse (242244403233121), we get a palindrome (363576707675363).

The spelling of 121332304442242 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, three hundred four million, four hundred forty-two thousand, two hundred forty-two".