12578737260 has 96 divisors (see below), whose sum is σ = 36972536832. Its totient is φ = 3189218560.

The previous prime is 12578737217. The next prime is 12578737261. The reversal of 12578737260 is 6273787521.

It is a super-2 number, since 2×12578737260² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12578737261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203170 + ... + 257750.

It is an arithmetic number, because the mean of its divisors is an integer number (385130592).

Almost surely, 2^12578737260 is an apocalyptic number.

12578737260 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 12578737260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18486268416).

12578737260 is an abundant number, since it is smaller than the sum of its proper divisors (24393799572).

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

12578737260 is a wasteful number, since it uses less digits than its factorization.

12578737260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54783 (or 54781 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 12578737260 in words is "twelve billion, five hundred seventy-eight million, seven hundred thirty-seven thousand, two hundred sixty".