421121433232 has 40 divisors (see below), whose sum is σ = 827748484992. Its totient is φ = 207511315200.

The previous prime is 421121433217. The next prime is 421121433247. The reversal of 421121433232 is 232334121124.

It is an interprime number because it is at equal distance from previous prime (421121433217) and next prime (421121433247).

It is a self number, because there is not a number n which added to its sum of digits gives 421121433232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790333 + ... + 2937379.

Almost surely, 2^421121433232 is an apocalyptic number.

It is an amenable number.

421121433232 is a deficient number, since it is larger than the sum of its proper divisors (406627051760).

421121433232 is a wasteful number, since it uses less digits than its factorization.

421121433232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149647 (or 149641 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 421121433232 its reverse (232334121124), we get a palindrome (653455554356).

The spelling of 421121433232 in words is "four hundred twenty-one billion, one hundred twenty-one million, four hundred thirty-three thousand, two hundred thirty-two".