242111431321212 has 48 divisors (see below), whose sum is σ = 583152476211200. Its totient is φ = 78100145369280.

The previous prime is 242111431321159. The next prime is 242111431321223. The reversal of 242111431321212 is 212123134111242.

It is a super-2 number, since 2×242111431321212² (a number of 30 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 242111431321212.

It is a congruent number.

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, 101387214 + ... + 103747722.

Almost surely, 2^{242111431321212} is an apocalyptic number.

It is an amenable number.

242111431321212 is an abundant number, since it is smaller than the sum of its proper divisors (341041044889988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242111431321212 is a wasteful number, since it uses less digits than its factorization.

242111431321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636266 (or 2636264 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

Adding to 242111431321212 its reverse (212123134111242), we get a palindrome (454234565432454).

The spelling of 242111431321212 in words is "two hundred forty-two trillion, one hundred eleven billion, four hundred thirty-one million, three hundred twenty-one thousand, two hundred twelve".