42679317122 has 54 divisors (see below), whose sum is σ = 73751551569. Its totient is φ = 18511384320.

The previous prime is 42679317103. The next prime is 42679317167. The reversal of 42679317122 is 22171397624.

It can be written as a sum of positive squares in 14 ways, for example, as 2016997921 + 40662319201 = 44911^2 + 201649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=146081.

It is a super-2 number, since 2×42679317122² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 64567472 + ... + 64568132.

Almost surely, 2^42679317122 is an apocalyptic number.

42679317122 is a deficient number, since it is larger than the sum of its proper divisors (31072234447).

42679317122 is an equidigital number, since it uses as much as digits as its factorization.

42679317122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 693 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The spelling of 42679317122 in words is "forty-two billion, six hundred seventy-nine million, three hundred seventeen thousand, one hundred twenty-two".