421125012142 has 8 divisors (see below), whose sum is σ = 631690902216. Its totient is φ = 210561378072.

The previous prime is 421125012067. The next prime is 421125012157. The reversal of 421125012142 is 241210521124.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26193 + ... + 918115.

It is an arithmetic number, because the mean of its divisors is an integer number (78961362777).

Almost surely, 2^421125012142 is an apocalyptic number.

421125012142 is a deficient number, since it is larger than the sum of its proper divisors (210565890074).

421125012142 is a wasteful number, since it uses less digits than its factorization.

421125012142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128002.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 421125012142 its reverse (241210521124), we get a palindrome (662335533266).

The spelling of 421125012142 in words is "four hundred twenty-one billion, one hundred twenty-five million, twelve thousand, one hundred forty-two".