12811719998196 has 72 divisors (see below), whose sum is σ = 37025619962240. Its totient is φ = 3659108354496.

The previous prime is 12811719998179. The next prime is 12811719998197. The reversal of 12811719998196 is 69189991711821.

12811719998196 is a `hidden beast` number, since 1 + 281 + 1 + 71 + 9 + 9 + 98 + 196 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811719998197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8936311 + ... + 10270398.

Almost surely, 2^{12811719998196} is an apocalyptic number.

It is an amenable number.

12811719998196 is an abundant number, since it is smaller than the sum of its proper divisors (24213899964044).

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

12811719998196 is a wasteful number, since it uses less digits than its factorization.

12811719998196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19209373 (or 19209368 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 72.

The spelling of 12811719998196 in words is "twelve trillion, eight hundred eleven billion, seven hundred nineteen million, nine hundred ninety-eight thousand, one hundred ninety-six".