242121671207 has 16 divisors (see below), whose sum is σ = 279648603360. Its totient is φ = 207738940032.

The previous prime is 242121671189. The next prime is 242121671243. The reversal of 242121671207 is 702176121242.

242121671207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242121671207 - 2¹⁴ = 242121654823 is a prime.

It is a super-2 number, since 2×242121671207² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242121671257) 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 in 15 ways as a sum of consecutive naturals, for example, 9234548 + ... + 9260729.

It is an arithmetic number, because the mean of its divisors is an integer number (17478037710).

Almost surely, 2^242121671207 is an apocalyptic number.

242121671207 is a deficient number, since it is larger than the sum of its proper divisors (37526932153).

242121671207 is a wasteful number, since it uses less digits than its factorization.

242121671207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18495362.

The product of its (nonzero) digits is 18816, while the sum is 35.

Adding to 242121671207 its reverse (702176121242), we get a palindrome (944297792449).

The spelling of 242121671207 in words is "two hundred forty-two billion, one hundred twenty-one million, six hundred seventy-one thousand, two hundred seven".