12985594770 has 64 divisors (see below), whose sum is σ = 32272007040. Its totient is φ = 3340108800.

The previous prime is 12985594747. The next prime is 12985594801. The reversal of 12985594770 is 7749558921.

It is a self number, because there is not a number n which added to its sum of digits gives 12985594770.

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, 942330 + ... + 956010.

It is an arithmetic number, because the mean of its divisors is an integer number (504250110).

Almost surely, 2^12985594770 is an apocalyptic number.

12985594770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12985594770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16136003520).

12985594770 is an abundant number, since it is smaller than the sum of its proper divisors (19286412270).

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

12985594770 is a wasteful number, since it uses less digits than its factorization.

12985594770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811.

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 12985594770 in words is "twelve billion, nine hundred eighty-five million, five hundred ninety-four thousand, seven hundred seventy".