12563870000 has 100 divisors (see below), whose sum is σ = 33183983976. Its totient is φ = 4568640000.

The previous prime is 12563869979. The next prime is 12563870021. The reversal of 12563870000 is 7836521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12563869979) and next prime (12563870021).

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52892 + ... + 167108.

Almost surely, 2^12563870000 is an apocalyptic number.

12563870000 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 12563870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16591991988).

12563870000 is an abundant number, since it is smaller than the sum of its proper divisors (20620113976).

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

12563870000 is a wasteful number, since it uses less digits than its factorization.

12563870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114256 (or 114235 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12563870000 in words is "twelve billion, five hundred sixty-three million, eight hundred seventy thousand".