421266335512 has 16 divisors (see below), whose sum is σ = 861681141000. Its totient is φ = 191484697920.

The previous prime is 421266335471. The next prime is 421266335531. The reversal of 421266335512 is 215533662124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393558637 + ... + 2393558812.

Almost surely, 2^421266335512 is an apocalyptic number.

It is an amenable number.

421266335512 is an abundant number, since it is smaller than the sum of its proper divisors (440414805488).

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

421266335512 is a wasteful number, since it uses less digits than its factorization.

421266335512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787117466 (or 4787117462 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

Adding to 421266335512 its reverse (215533662124), we get a palindrome (636799997636).

The spelling of 421266335512 in words is "four hundred twenty-one billion, two hundred sixty-six million, three hundred thirty-five thousand, five hundred twelve".