42012002422 has 8 divisors (see below), whose sum is σ = 67865542416. Its totient is φ = 19390154952.

The previous prime is 42012002413. The next prime is 42012002429. The reversal of 42012002422 is 22420021024.

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

It is a super-2 number, since 2×42012002422² (a number of 22 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 42012002422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012002429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807923098 + ... + 807923149.

It is an arithmetic number, because the mean of its divisors is an integer number (8483192802).

Almost surely, 2^42012002422 is an apocalyptic number.

42012002422 is a deficient number, since it is larger than the sum of its proper divisors (25853539994).

42012002422 is a wasteful number, since it uses less digits than its factorization.

42012002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615846262.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42012002422 its reverse (22420021024), we get a palindrome (64432023446).

The spelling of 42012002422 in words is "forty-two billion, twelve million, two thousand, four hundred twenty-two".