12166141020 has 144 divisors (see below), whose sum is σ = 38079538560. Its totient is φ = 2899276160.

The previous prime is 12166141007. The next prime is 12166141037. The reversal of 12166141020 is 2014166121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414139 + ... + 442541.

It is an arithmetic number, because the mean of its divisors is an integer number (264441240).

Almost surely, 2^12166141020 is an apocalyptic number.

12166141020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12166141020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19039769280).

12166141020 is an abundant number, since it is smaller than the sum of its proper divisors (25913397540).

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

12166141020 is a wasteful number, since it uses less digits than its factorization.

12166141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28496 (or 28483 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 12166141020 in words is "twelve billion, one hundred sixty-six million, one hundred forty-one thousand, twenty".