12886127212 has 48 divisors (see below), whose sum is σ = 26531265600. Its totient is φ = 5473687296.

The previous prime is 12886127203. The next prime is 12886127249. The reversal of 12886127212 is 21272168821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113478 + ... + 196594.

It is an arithmetic number, because the mean of its divisors is an integer number (552734700).

Almost surely, 2^12886127212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12886127212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13265632800).

12886127212 is an abundant number, since it is smaller than the sum of its proper divisors (13645138388).

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

12886127212 is a wasteful number, since it uses less digits than its factorization.

12886127212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83255 (or 83239 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The spelling of 12886127212 in words is "twelve billion, eight hundred eighty-six million, one hundred twenty-seven thousand, two hundred twelve".