12610331648 has 44 divisors (see below), whose sum is σ = 25279303680. Its totient is φ = 6287419392.

The previous prime is 12610331641. The next prime is 12610331653. The reversal of 12610331648 is 84613301621.

It is not an unprimeable number, because it can be changed into a prime (12610331641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350465 + ... + 384767.

Almost surely, 2^12610331648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12610331648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12639651840).

12610331648 is an abundant number, since it is smaller than the sum of its proper divisors (12668972032).

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

12610331648 is an equidigital number, since it uses as much as digits as its factorization.

12610331648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34682 (or 34664 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

It can be divided in two parts, 126103 and 31648, that added together give a palindrome (157751).

The spelling of 12610331648 in words is "twelve billion, six hundred ten million, three hundred thirty-one thousand, six hundred forty-eight".