12850552650 has 48 divisors (see below), whose sum is σ = 34320865824. Its totient is φ = 3163212480.

The previous prime is 12850552613. The next prime is 12850552679. The reversal of 12850552650 is 5625505821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12850552599 and 12850552608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3293064 + ... + 3296963.

It is an arithmetic number, because the mean of its divisors is an integer number (715018038).

Almost surely, 2^12850552650 is an apocalyptic number.

12850552650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12850552650 is an abundant number, since it is smaller than the sum of its proper divisors (21470313174).

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

12850552650 is a wasteful number, since it uses less digits than its factorization.

12850552650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590055 (or 6590050 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 12850552650 in words is "twelve billion, eight hundred fifty million, five hundred fifty-two thousand, six hundred fifty".