42030342122 has 32 divisors (see below), whose sum is σ = 68507472384. Its totient is φ = 19265760000.

The previous prime is 42030342091. The next prime is 42030342127. The reversal of 42030342122 is 22124303024.

It is not an unprimeable number, because it can be changed into a prime (42030342127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115247 + ... + 311997.

It is an arithmetic number, because the mean of its divisors is an integer number (2140858512).

Almost surely, 2^42030342122 is an apocalyptic number.

42030342122 is a deficient number, since it is larger than the sum of its proper divisors (26477130262).

42030342122 is a wasteful number, since it uses less digits than its factorization.

42030342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196934.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42030342122 its reverse (22124303024), we get a palindrome (64154645146).

The spelling of 42030342122 in words is "forty-two billion, thirty million, three hundred forty-two thousand, one hundred twenty-two".