12117166050 has 48 divisors (see below), whose sum is σ = 32782446432. Its totient is φ = 2937494400.

The previous prime is 12117165937. The next prime is 12117166051. The reversal of 12117166050 is 5066171121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12117165999 and 12117166017.

It is not an unprimeable number, because it can be changed into a prime (12117166051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3670219 + ... + 3673518.

It is an arithmetic number, because the mean of its divisors is an integer number (682967634).

Almost surely, 2^12117166050 is an apocalyptic number.

12117166050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12117166050 is an abundant number, since it is smaller than the sum of its proper divisors (20665280382).

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

12117166050 is a wasteful number, since it uses less digits than its factorization.

12117166050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343763 (or 7343758 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

It can be divided in two parts, 121 and 17166050, that added together give a palindrome (17166171).

The spelling of 12117166050 in words is "twelve billion, one hundred seventeen million, one hundred sixty-six thousand, fifty".