13181222108 has 12 divisors (see below), whose sum is σ = 24281198760. Its totient is φ = 6243736752.

The previous prime is 13181222101. The next prime is 13181222147. The reversal of 13181222108 is 80122218131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181222101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86718491 + ... + 86718642.

It is an arithmetic number, because the mean of its divisors is an integer number (2023433230).

Almost surely, 2^13181222108 is an apocalyptic number.

It is an amenable number.

13181222108 is a deficient number, since it is larger than the sum of its proper divisors (11099976652).

13181222108 is a wasteful number, since it uses less digits than its factorization.

13181222108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173437156 (or 173437154 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The spelling of 13181222108 in words is "thirteen billion, one hundred eighty-one million, two hundred twenty-two thousand, one hundred eight".