42420443012 has 24 divisors (see below), whose sum is σ = 74386052832. Its totient is φ = 21167323200.

The previous prime is 42420443011. The next prime is 42420443053. The reversal of 42420443012 is 21034402424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42420443011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6550208 + ... + 6556680.

It is an arithmetic number, because the mean of its divisors is an integer number (3099418868).

Almost surely, 2^42420443012 is an apocalyptic number.

It is an amenable number.

42420443012 is a deficient number, since it is larger than the sum of its proper divisors (31965609820).

42420443012 is a wasteful number, since it uses less digits than its factorization.

42420443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42420443012 its reverse (21034402424), we get a palindrome (63454845436).

The spelling of 42420443012 in words is "forty-two billion, four hundred twenty million, four hundred forty-three thousand, twelve".