242121671198 has 16 divisors (see below), whose sum is σ = 397609069680. Its totient is φ = 109663646400.

The previous prime is 242121671189. The next prime is 242121671243. The reversal of 242121671198 is 891176121242.

It is a happy number.

242121671198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 19576613 + ... + 19588976.

It is an arithmetic number, because the mean of its divisors is an integer number (24850566855).

Almost surely, 2^242121671198 is an apocalyptic number.

242121671198 is a deficient number, since it is larger than the sum of its proper divisors (155487398482).

242121671198 is a wasteful number, since it uses less digits than its factorization.

242121671198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39165883.

The product of its digits is 96768, while the sum is 44.

It can be divided in two parts, 242121 and 671198, that added together give a palindrome (913319).

The spelling of 242121671198 in words is "two hundred forty-two billion, one hundred twenty-one million, six hundred seventy-one thousand, one hundred ninety-eight".