421130206142 has 16 divisors (see below), whose sum is σ = 636134971392. Its totient is φ = 209090060760.

The previous prime is 421130206127. The next prime is 421130206177. The reversal of 421130206142 is 241602031124.

It is a congruent number.

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, 1037084 + ... + 1384847.

It is an arithmetic number, because the mean of its divisors is an integer number (39758435712).

Almost surely, 2^421130206142 is an apocalyptic number.

421130206142 is a deficient number, since it is larger than the sum of its proper divisors (215004765250).

421130206142 is a wasteful number, since it uses less digits than its factorization.

421130206142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422543.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 421130206142 its reverse (241602031124), we get a palindrome (662732237266).

The spelling of 421130206142 in words is "four hundred twenty-one billion, one hundred thirty million, two hundred six thousand, one hundred forty-two".