13512112673442 has 32 divisors (see below), whose sum is σ = 28463355856320. Its totient is φ = 4264462520640.

The previous prime is 13512112673441. The next prime is 13512112673443. The reversal of 13512112673442 is 24437621121531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13512112673441) and next prime (13512112673443).

It is a junction number, because it is equal to n+sod(n) for n = 13512112673394 and 13512112673403.

It is not an unprimeable number, because it can be changed into a prime (13512112673441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34812109 + ... + 35198112.

It is an arithmetic number, because the mean of its divisors is an integer number (889479870510).

Almost surely, 2^{13512112673442} is an apocalyptic number.

13512112673442 is an abundant number, since it is smaller than the sum of its proper divisors (14951243182878).

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

13512112673442 is a wasteful number, since it uses less digits than its factorization.

13512112673442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70011938.

The product of its digits is 241920, while the sum is 42.

Adding to 13512112673442 its reverse (24437621121531), we get a palindrome (37949733794973).

The spelling of 13512112673442 in words is "thirteen trillion, five hundred twelve billion, one hundred twelve million, six hundred seventy-three thousand, four hundred forty-two".