12850657064 has 32 divisors (see below), whose sum is σ = 27579761280. Its totient is φ = 5498896704.

The previous prime is 12850657063. The next prime is 12850657069. The reversal of 12850657064 is 46075605821.

It is not an unprimeable number, because it can be changed into a prime (12850657063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141107 + ... + 213570.

It is an arithmetic number, because the mean of its divisors is an integer number (861867540).

Almost surely, 2^12850657064 is an apocalyptic number.

12850657064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12850657064 is an abundant number, since it is smaller than the sum of its proper divisors (14729104216).

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

12850657064 is a wasteful number, since it uses less digits than its factorization.

12850657064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355337 (or 355333 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 12850657064 in words is "twelve billion, eight hundred fifty million, six hundred fifty-seven thousand, sixty-four".