242121343121242 has 32 divisors (see below), whose sum is σ = 391871945569104. Its totient is φ = 111533408870400.

The previous prime is 242121343121179. The next prime is 242121343121257.

It is a happy number.

242121343121242 is nontrivially palindromic in base 10.

242121343121242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 116529671701881 + 125591671419361 = 10794891^2 + 11206769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242121343121198 and 242121343121207.

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, 25321642 + ... + 33547402.

Almost surely, 2^{242121343121242} is an apocalyptic number.

242121343121242 is a deficient number, since it is larger than the sum of its proper divisors (149750602447862).

242121343121242 is a wasteful number, since it uses less digits than its factorization.

242121343121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227954.

The product of its digits is 36864, while the sum is 34.

The spelling of 242121343121242 in words is "two hundred forty-two trillion, one hundred twenty-one billion, three hundred forty-three million, one hundred twenty-one thousand, two hundred forty-two".