421033343004012 has 48 divisors (see below), whose sum is σ = 988278127804800. Its totient is φ = 139506906704640.

The previous prime is 421033343003989. The next prime is 421033343004121. The reversal of 421033343004012 is 210400343330124.

It is a happy number.

It is a super-2 number, since 2×421033343004012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31960414 + ... + 43168677.

It is an arithmetic number, because the mean of its divisors is an integer number (20589127662600).

Almost surely, 2^{421033343004012} is an apocalyptic number.

It is an amenable number.

421033343004012 is an abundant number, since it is smaller than the sum of its proper divisors (567244784800788).

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

421033343004012 is a wasteful number, since it uses less digits than its factorization.

421033343004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75131886 (or 75131884 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 421033343004012 its reverse (210400343330124), we get a palindrome (631433686334136).

The spelling of 421033343004012 in words is "four hundred twenty-one trillion, thirty-three billion, three hundred forty-three million, four thousand, twelve".