13012320142 has 8 divisors (see below), whose sum is σ = 19994540832. Its totient is φ = 6347473200.

The previous prime is 13012320119. The next prime is 13012320169. The reversal of 13012320142 is 24102321031.

It is a happy number.

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

It is a super-3 number, since 3×13012320142³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79343334 + ... + 79343497.

It is an arithmetic number, because the mean of its divisors is an integer number (2499317604).

Almost surely, 2^13012320142 is an apocalyptic number.

13012320142 is a deficient number, since it is larger than the sum of its proper divisors (6982220690).

13012320142 is a wasteful number, since it uses less digits than its factorization.

13012320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158686874.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13012320142 its reverse (24102321031), we get a palindrome (37114641173).

The spelling of 13012320142 in words is "thirteen billion, twelve million, three hundred twenty thousand, one hundred forty-two".