242212120424 has 32 divisors (see below), whose sum is σ = 462861258120. Its totient is φ = 118783881216.

The previous prime is 242212120373. The next prime is 242212120429. The reversal of 242212120424 is 424021212242.

It can be written as a sum of positive squares in 4 ways, for example, as 224117028100 + 18095092324 = 473410^2 + 134518^2 .

It is a super-2 number, since 2×242212120424² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242212120393 and 242212120402.

It is not an unprimeable number, because it can be changed into a prime (242212120429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293272 + ... + 1468664.

Almost surely, 2^242212120424 is an apocalyptic number.

It is an amenable number.

242212120424 is a deficient number, since it is larger than the sum of its proper divisors (220649137696).

242212120424 is a wasteful number, since it uses less digits than its factorization.

242212120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178709 (or 178705 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 242212120424 its reverse (424021212242), we get a palindrome (666233332666).

The spelling of 242212120424 in words is "two hundred forty-two billion, two hundred twelve million, one hundred twenty thousand, four hundred twenty-four".