42120134303 has 32 divisors (see below), whose sum is σ = 48771072000. Its totient is φ = 36029799936.

The previous prime is 42120134281. The next prime is 42120134317. The reversal of 42120134303 is 30343102124.

It is not a de Polignac number, because 42120134303 - 2⁸ = 42120134047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120134003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6683648 + ... + 6689946.

It is an arithmetic number, because the mean of its divisors is an integer number (1524096000).

Almost surely, 2^42120134303 is an apocalyptic number.

42120134303 is a deficient number, since it is larger than the sum of its proper divisors (6650937697).

42120134303 is a wasteful number, since it uses less digits than its factorization.

42120134303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42120134303 its reverse (30343102124), we get a palindrome (72463236427).

The spelling of 42120134303 in words is "forty-two billion, one hundred twenty million, one hundred thirty-four thousand, three hundred three".