42221010412 has 12 divisors (see below), whose sum is σ = 84442020880. Its totient is φ = 18094718736.

The previous prime is 42221010383. The next prime is 42221010421. The reversal of 42221010412 is 21401012224.

42221010412 is an admirable number.

It is a super-2 number, since 2×42221010412² (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 42221010412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753946587 + ... + 753946642.

Almost surely, 2^42221010412 is an apocalyptic number.

It is an amenable number.

42221010412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42221010412 is a wasteful number, since it uses less digits than its factorization.

42221010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507893240 (or 1507893238 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 42221010412 its reverse (21401012224), we get a palindrome (63622022636).

The spelling of 42221010412 in words is "forty-two billion, two hundred twenty-one million, ten thousand, four hundred twelve".