12506388744 has 32 divisors (see below), whose sum is σ = 31269723840. Its totient is φ = 4168296000.

The previous prime is 12506388743. The next prime is 12506388749. The reversal of 12506388744 is 44788360521.

It is a junction number, because it is equal to n+sod(n) for n = 12506388693 and 12506388702.

It is not an unprimeable number, because it can be changed into a prime (12506388743) 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, 211309 + ... + 263939.

It is an arithmetic number, because the mean of its divisors is an integer number (977178870).

Almost surely, 2^12506388744 is an apocalyptic number.

It is an amenable number.

12506388744 is an abundant number, since it is smaller than the sum of its proper divisors (18763335096).

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

12506388744 is a wasteful number, since it uses less digits than its factorization.

12506388744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62541 (or 62537 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 12506388744 in words is "twelve billion, five hundred six million, three hundred eighty-eight thousand, seven hundred forty-four".