12643162050 has 48 divisors (see below), whose sum is σ = 31562747712. Its totient is φ = 3349176000.

The previous prime is 12643162043. The next prime is 12643162079. The reversal of 12643162050 is 5026134621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12643161999 and 12643162017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256449 + ... + 301748.

It is an arithmetic number, because the mean of its divisors is an integer number (657557244).

Almost surely, 2^12643162050 is an apocalyptic number.

12643162050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12643162050 is an abundant number, since it is smaller than the sum of its proper divisors (18919585662).

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

12643162050 is a wasteful number, since it uses less digits than its factorization.

12643162050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558363 (or 558358 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12643162050 its reverse (5026134621), we get a palindrome (17669296671).

The spelling of 12643162050 in words is "twelve billion, six hundred forty-three million, one hundred sixty-two thousand, fifty".