130021221423142 has 64 divisors (see below), whose sum is σ = 229110488755200. Its totient is φ = 55315928360448.

The previous prime is 130021221423131. The next prime is 130021221423161. The reversal of 130021221423142 is 241324122120031.

It is a self number, because there is not a number n which added to its sum of digits gives 130021221423142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60778423 + ... + 62881309.

It is an arithmetic number, because the mean of its divisors is an integer number (3579851386800).

Almost surely, 2^{130021221423142} is an apocalyptic number.

130021221423142 is a deficient number, since it is larger than the sum of its proper divisors (99089267332058).

130021221423142 is a wasteful number, since it uses less digits than its factorization.

130021221423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103570 (or 2103556 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 130021221423142 its reverse (241324122120031), we get a palindrome (371345343543173).

The spelling of 130021221423142 in words is "one hundred thirty trillion, twenty-one billion, two hundred twenty-one million, four hundred twenty-three thousand, one hundred forty-two".