10120430042 has 4 divisors (see below), whose sum is σ = 15180645066. Its totient is φ = 5060215020.

The previous prime is 10120430027. The next prime is 10120430059. The reversal of 10120430042 is 24003402101.

10120430042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10118146921 + 2283121 = 100589^2 + 1511^2 .

It is a super-2 number, since 2×10120430042² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10120430042.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2530107509 + ... + 2530107512.

Almost surely, 2^10120430042 is an apocalyptic number.

10120430042 is a deficient number, since it is larger than the sum of its proper divisors (5060215024).

10120430042 is an equidigital number, since it uses as much as digits as its factorization.

10120430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060215023.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10120430042 its reverse (24003402101), we get a palindrome (34123832143).

The spelling of 10120430042 in words is "ten billion, one hundred twenty million, four hundred thirty thousand, forty-two".