12107657500 has 60 divisors (see below), whose sum is σ = 26611169200. Its totient is φ = 4818528000.

The previous prime is 12107657491. The next prime is 12107657503. The reversal of 12107657500 is 575670121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107657503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 485332 + ... + 509668.

Almost surely, 2^12107657500 is an apocalyptic number.

12107657500 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 12107657500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13305584600).

12107657500 is an abundant number, since it is smaller than the sum of its proper divisors (14503511700).

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

12107657500 is a wasteful number, since it uses less digits than its factorization.

12107657500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24560 (or 24543 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 12107657500 in words is "twelve billion, one hundred seven million, six hundred fifty-seven thousand, five hundred".