12089002500 has 135 divisors (see below), whose sum is σ = 38237832633. Its totient is φ = 3219336000.

The previous prime is 12089002487. The next prime is 12089002517. The reversal of 12089002500 is 520098021.

The square root of 12089002500 is 109950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 2116184004 + 9972818496 = 46002^2 + 99864^2 .

It is a super-2 number, since 2×12089002500² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 16492134 + ... + 16492866.

Almost surely, 2^12089002500 is an apocalyptic number.

12089002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12089002500 is the 109950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12089002500

12089002500 is an abundant number, since it is smaller than the sum of its proper divisors (26148830133).

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

12089002500 is an frugal number, since it uses more digits than its factorization.

12089002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12089002500 in words is "twelve billion, eighty-nine million, two thousand, five hundred".