420445134203112 has 96 divisors (see below), whose sum is σ = 1215057135302400. Its totient is φ = 130953351068928.

The previous prime is 420445134203027. The next prime is 420445134203117. The reversal of 420445134203112 is 211302431544024.

420445134203112 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 4 + 513 + 4 + 20 + 3 + 112 = 666.

It is a super-2 number, since 2×420445134203112² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (420445134203117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2104988728 + ... + 2105188455.

It is an arithmetic number, because the mean of its divisors is an integer number (12656845159400).

Almost surely, 2^{420445134203112} is an apocalyptic number.

It is an amenable number.

420445134203112 is an abundant number, since it is smaller than the sum of its proper divisors (794612001099288).

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

420445134203112 is a wasteful number, since it uses less digits than its factorization.

420445134203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210177287 (or 4210177280 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 420445134203112 its reverse (211302431544024), we get a palindrome (631747565747136).

The spelling of 420445134203112 in words is "four hundred twenty trillion, four hundred forty-five billion, one hundred thirty-four million, two hundred three thousand, one hundred twelve".