12146226161 has 8 divisors (see below), whose sum is σ = 12167488704. Its totient is φ = 12124980720.

The previous prime is 12146226149. The next prime is 12146226167. The reversal of 12146226161 is 16162264121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12146226161 - 2³⁰ = 11072484337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146226167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130955 + ... + 3134831.

It is an arithmetic number, because the mean of its divisors is an integer number (1520936088).

Almost surely, 2^12146226161 is an apocalyptic number.

It is an amenable number.

12146226161 is a deficient number, since it is larger than the sum of its proper divisors (21262543).

12146226161 is an equidigital number, since it uses as much as digits as its factorization.

12146226161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551.

The product of its digits is 6912, while the sum is 32.

The spelling of 12146226161 in words is "twelve billion, one hundred forty-six million, two hundred twenty-six thousand, one hundred sixty-one".