12187601480 has 64 divisors (see below), whose sum is σ = 28387206000. Its totient is φ = 4703698944.

The previous prime is 12187601479. The next prime is 12187601501. The reversal of 12187601480 is 8410678121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10908966916 + 1278634564 = 104446^2 + 35758^2 .

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 15 ways as a sum of consecutive naturals, for example, 2337116 + ... + 2342324.

Almost surely, 2^12187601480 is an apocalyptic number.

12187601480 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 12187601480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14193603000).

12187601480 is an abundant number, since it is smaller than the sum of its proper divisors (16199604520).

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

12187601480 is a wasteful number, since it uses less digits than its factorization.

12187601480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266 (or 7262 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 12187601480 in words is "twelve billion, one hundred eighty-seven million, six hundred one thousand, four hundred eighty".