421112132120 has 32 divisors (see below), whose sum is σ = 954962956800. Its totient is φ = 167118513408.

The previous prime is 421112132099. The next prime is 421112132123. The reversal of 421112132120 is 21231211124.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 421112132092 and 421112132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421112132123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41442965 + ... + 41453124.

It is an arithmetic number, because the mean of its divisors is an integer number (29842592400).

Almost surely, 2^421112132120 is an apocalyptic number.

421112132120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421112132120 is an abundant number, since it is smaller than the sum of its proper divisors (533850824680).

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

421112132120 is a wasteful number, since it uses less digits than its factorization.

421112132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82896227 (or 82896223 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 421112132120 its reverse (21231211124), we get a palindrome (442343343244).

The spelling of 421112132120 in words is "four hundred twenty-one billion, one hundred twelve million, one hundred thirty-two thousand, one hundred twenty".