13143155212 has 24 divisors (see below), whose sum is σ = 25096110480. Its totient is φ = 5973058560.

The previous prime is 13143155203. The next prime is 13143155227. The reversal of 13143155212 is 21255134131.

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, 243388 + ... + 292444.

It is an arithmetic number, because the mean of its divisors is an integer number (1045671270).

Almost surely, 2^13143155212 is an apocalyptic number.

It is an amenable number.

13143155212 is a deficient number, since it is larger than the sum of its proper divisors (11952955268).

13143155212 is a wasteful number, since it uses less digits than its factorization.

13143155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55161 (or 55159 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 13143155212 its reverse (21255134131), we get a palindrome (34398289343).

The spelling of 13143155212 in words is "thirteen billion, one hundred forty-three million, one hundred fifty-five thousand, two hundred twelve".