13142344205512 has 8 divisors (see below), whose sum is σ = 24641895385350. Its totient is φ = 6571172102752.

The previous prime is 13142344205479. The next prime is 13142344205531. The reversal of 13142344205512 is 21550244324131.

It can be written as a sum of positive squares in only one way, i.e., 11809903394916 + 1332440810596 = 3436554^2 + 1154314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×13142344205512³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821396512837 + ... + 821396512852.

Almost surely, 2^{13142344205512} is an apocalyptic number.

It is an amenable number.

13142344205512 is a deficient number, since it is larger than the sum of its proper divisors (11499551179838).

13142344205512 is a wasteful number, since it uses less digits than its factorization.

13142344205512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642793025695 (or 1642793025691 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 13142344205512 its reverse (21550244324131), we get a palindrome (34692588529643).

The spelling of 13142344205512 in words is "thirteen trillion, one hundred forty-two billion, three hundred forty-four million, two hundred five thousand, five hundred twelve".