12985863360 has 224 divisors, whose sum is σ = 42792335040. Its totient is φ = 3333685248.

The previous prime is 12985863313. The next prime is 12985863377. The reversal of 12985863360 is 6336858921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3443556 + ... + 3447324.

It is an arithmetic number, because the mean of its divisors is an integer number (191037210).

Almost surely, 2^12985863360 is an apocalyptic number.

12985863360 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 12985863360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21396167520).

12985863360 is an abundant number, since it is smaller than the sum of its proper divisors (29806471680).

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

12985863360 is a wasteful number, since it uses less digits than its factorization.

12985863360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 12985863360 in words is "twelve billion, nine hundred eighty-five million, eight hundred sixty-three thousand, three hundred sixty".