120043431302042 has 4 divisors (see below), whose sum is σ = 180065146953066. Its totient is φ = 60021715651020.

The previous prime is 120043431302033. The next prime is 120043431302101. The reversal of 120043431302042 is 240203134340021.

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., 64982445646561 + 55060985655481 = 8061169^2 + 7420309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120043431301996 and 120043431302014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30010857825509 + ... + 30010857825512.

Almost surely, 2^{120043431302042} is an apocalyptic number.

120043431302042 is a deficient number, since it is larger than the sum of its proper divisors (60021715651024).

120043431302042 is an equidigital number, since it uses as much as digits as its factorization.

120043431302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60021715651023.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 120043431302042 its reverse (240203134340021), we get a palindrome (360246565642063).

The spelling of 120043431302042 in words is "one hundred twenty trillion, forty-three billion, four hundred thirty-one million, three hundred two thousand, forty-two".