12550863460 has 24 divisors (see below), whose sum is σ = 26788894776. Its totient is φ = 4938044160.

The previous prime is 12550863449. The next prime is 12550863463. The reversal of 12550863460 is 6436805521.

It can be written as a sum of positive squares in 4 ways, for example, as 742998564 + 11807864896 = 27258^2 + 108664^2 .

It is not an unprimeable number, because it can be changed into a prime (12550863463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142577 + ... + 5145016.

It is an arithmetic number, because the mean of its divisors is an integer number (1116203949).

Almost surely, 2^12550863460 is an apocalyptic number.

12550863460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12550863460 is an abundant number, since it is smaller than the sum of its proper divisors (14238031316).

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

12550863460 is a wasteful number, since it uses less digits than its factorization.

12550863460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287663 (or 10287661 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 12550863460 in words is "twelve billion, five hundred fifty million, eight hundred sixty-three thousand, four hundred sixty".