42412012422 has 64 divisors (see below), whose sum is σ = 94000569600. Its totient is φ = 12672422784.

The previous prime is 42412012343. The next prime is 42412012429. The reversal of 42412012422 is 22421021424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42412012392 and 42412012401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412012429) 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, 1495329 + ... + 1523427.

It is an arithmetic number, because the mean of its divisors is an integer number (1468758900).

Almost surely, 2^42412012422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42412012422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47000284800).

42412012422 is an abundant number, since it is smaller than the sum of its proper divisors (51588557178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42412012422 is a wasteful number, since it uses less digits than its factorization.

42412012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28677.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42412012422 its reverse (22421021424), we get a palindrome (64833033846).

The spelling of 42412012422 in words is "forty-two billion, four hundred twelve million, twelve thousand, four hundred twenty-two".