12389220087660 has 576 divisors, whose sum is σ = 43049344665600. Its totient is φ = 2858862698496.

The previous prime is 12389220087631. The next prime is 12389220087719. The reversal of 12389220087660 is 6678002298321.

It is a junction number, because it is equal to n+sod(n) for n = 12389220087597 and 12389220087606.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3732815481 + ... + 3732818799.

It is an arithmetic number, because the mean of its divisors is an integer number (74738445600).

Almost surely, 2^{12389220087660} is an apocalyptic number.

12389220087660 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 12389220087660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21524672332800).

12389220087660 is an abundant number, since it is smaller than the sum of its proper divisors (30660124577940).

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

12389220087660 is a wasteful number, since it uses less digits than its factorization.

12389220087660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4217 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 12389220087660 in words is "twelve trillion, three hundred eighty-nine billion, two hundred twenty million, eighty-seven thousand, six hundred sixty".