12986895000 has 160 divisors (see below), whose sum is σ = 42958436400. Its totient is φ = 3259392000.

The previous prime is 12986894939. The next prime is 12986895037. The reversal of 12986895000 is 59868921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 229536 + ... + 280464.

Almost surely, 2^12986895000 is an apocalyptic number.

12986895000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12986895000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21479218200).

12986895000 is an abundant number, since it is smaller than the sum of its proper divisors (29971541400).

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

12986895000 is a wasteful number, since it uses less digits than its factorization.

12986895000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50975 (or 50956 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 12986895000 in words is "twelve billion, nine hundred eighty-six million, eight hundred ninety-five thousand".