421125012144 has 50 divisors (see below), whose sum is σ = 1218857967140. Its totient is φ = 140375003616.

The previous prime is 421125012067. The next prime is 421125012157. The reversal of 421125012144 is 441210521124.

421125012144 is a `hidden beast` number, since 4 + 2 + 1 + 12 + 501 + 2 + 144 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 162469774 + ... + 162472365.

Almost surely, 2^421125012144 is an apocalyptic number.

It is an amenable number.

421125012144 is an abundant number, since it is smaller than the sum of its proper divisors (797732954996).

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

421125012144 is a wasteful number, since it uses less digits than its factorization.

421125012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324942159 (or 324942144 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 421125012144 its reverse (441210521124), we get a palindrome (862335533268).

The spelling of 421125012144 in words is "four hundred twenty-one billion, one hundred twenty-five million, twelve thousand, one hundred forty-four".