124140212242 has 16 divisors (see below), whose sum is σ = 197403478272. Its totient is φ = 58347927360.

The previous prime is 124140212219. The next prime is 124140212243. The reversal of 124140212242 is 242212041421.

It is not an unprimeable number, because it can be changed into a prime (124140212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190234 + ... + 2246197.

It is an arithmetic number, because the mean of its divisors is an integer number (12337717392).

Almost surely, 2^124140212242 is an apocalyptic number.

124140212242 is a deficient number, since it is larger than the sum of its proper divisors (73263266030).

124140212242 is a wasteful number, since it uses less digits than its factorization.

124140212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437273.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 124140212242 its reverse (242212041421), we get a palindrome (366352253663).

The spelling of 124140212242 in words is "one hundred twenty-four billion, one hundred forty million, two hundred twelve thousand, two hundred forty-two".