12166035050 has 96 divisors (see below), whose sum is σ = 25277600880. Its totient is φ = 4325529600.

The previous prime is 12166035041. The next prime is 12166035059. The reversal of 12166035050 is 5053066121.

It is an interprime number because it is at equal distance from previous prime (12166035041) and next prime (12166035059).

It can be written as a sum of positive squares in 24 ways, for example, as 1590175129 + 10575859921 = 39877^2 + 102839^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12166035059) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10197254 + ... + 10198446.

Almost surely, 2^12166035050 is an apocalyptic number.

12166035050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12166035050 is an abundant number, since it is smaller than the sum of its proper divisors (13111565830).

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

12166035050 is a wasteful number, since it uses less digits than its factorization.

12166035050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 12166035050 in words is "twelve billion, one hundred sixty-six million, thirty-five thousand, fifty".