1242124233124 has 12 divisors (see below), whose sum is σ = 2182377638448. Its totient is φ = 618587765000.

The previous prime is 1242124233121. The next prime is 1242124233157. The reversal of 1242124233124 is 4213324212421.

It is a super-2 number, since 2×1242124233124² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242124233121) 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 3 ways as a sum of consecutive naturals, for example, 618586762 + ... + 618588769.

It is an arithmetic number, because the mean of its divisors is an integer number (181864803204).

Almost surely, 2^{1242124233124} is an apocalyptic number.

It is an amenable number.

1242124233124 is a deficient number, since it is larger than the sum of its proper divisors (940253405324).

1242124233124 is a wasteful number, since it uses less digits than its factorization.

1242124233124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237175786 (or 1237175784 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 1242124233124 its reverse (4213324212421), we get a palindrome (5455448445545).

The spelling of 1242124233124 in words is "one trillion, two hundred forty-two billion, one hundred twenty-four million, two hundred thirty-three thousand, one hundred twenty-four".