12985091370560 has 112 divisors (see below), whose sum is σ = 31271294937600. Its totient is φ = 5135163838464.

The previous prime is 12985091370551. The next prime is 12985091370653. The reversal of 12985091370560 is 6507319058921.

It is a happy number.

It is a super-2 number, since 2×12985091370560² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12985091370496 and 12985091370505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423738599 + ... + 423769241.

Almost surely, 2^{12985091370560} is an apocalyptic number.

12985091370560 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 12985091370560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15635647468800).

12985091370560 is an abundant number, since it is smaller than the sum of its proper divisors (18286203567040).

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

12985091370560 is a wasteful number, since it uses less digits than its factorization.

12985091370560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45628 (or 45618 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 12985091370560 in words is "twelve trillion, nine hundred eighty-five billion, ninety-one million, three hundred seventy thousand, five hundred sixty".