42124013122 has 8 divisors (see below), whose sum is σ = 63367069500. Its totient is φ = 21001656624.

The previous prime is 42124013111. The next prime is 42124013131. The reversal of 42124013122 is 22131042124.

42124013122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42066420201 + 57592921 = 205101^2 + 7589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42124013093 and 42124013102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30174097 + ... + 30175492.

Almost surely, 2^42124013122 is an apocalyptic number.

42124013122 is a deficient number, since it is larger than the sum of its proper divisors (21243056378).

42124013122 is a wasteful number, since it uses less digits than its factorization.

42124013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60349940.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42124013122 its reverse (22131042124), we get a palindrome (64255055246).

The spelling of 42124013122 in words is "forty-two billion, one hundred twenty-four million, thirteen thousand, one hundred twenty-two".