421434003525512 has 32 divisors (see below), whose sum is σ = 790351347088800. Its totient is φ = 210673645933824.

The previous prime is 421434003525481. The next prime is 421434003525637. The reversal of 421434003525512 is 215525300434124.

It is a self number, because there is not a number n which added to its sum of digits gives 421434003525512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868193423 + ... + 3868302369.

It is an arithmetic number, because the mean of its divisors is an integer number (24698479596525).

Almost surely, 2^{421434003525512} is an apocalyptic number.

It is an amenable number.

421434003525512 is a deficient number, since it is larger than the sum of its proper divisors (368917343563288).

421434003525512 is a wasteful number, since it uses less digits than its factorization.

421434003525512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204005 (or 204001 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 421434003525512 its reverse (215525300434124), we get a palindrome (636959303959636).

The spelling of 421434003525512 in words is "four hundred twenty-one trillion, four hundred thirty-four billion, three million, five hundred twenty-five thousand, five hundred twelve".