12988645060 has 24 divisors (see below), whose sum is σ = 27336922200. Its totient is φ = 5183883264.

The previous prime is 12988645049. The next prime is 12988645069. The reversal of 12988645060 is 6054688921.

It can be written as a sum of positive squares in 4 ways, for example, as 3568389696 + 9420255364 = 59736^2 + 97058^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12988644995 and 12988645013.

It is not an unprimeable number, because it can be changed into a prime (12988645069) 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, 714219 + ... + 732178.

It is an arithmetic number, because the mean of its divisors is an integer number (1139038425).

Almost surely, 2^12988645060 is an apocalyptic number.

12988645060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12988645060 is an abundant number, since it is smaller than the sum of its proper divisors (14348277140).

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

12988645060 is a wasteful number, since it uses less digits than its factorization.

12988645060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446855 (or 1446853 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 12988645060 in words is "twelve billion, nine hundred eighty-eight million, six hundred forty-five thousand, sixty".