12146407406 has 32 divisors (see below), whose sum is σ = 20913784320. Its totient is φ = 5182815456.

The previous prime is 12146407391. The next prime is 12146407409. The reversal of 12146407406 is 60470464121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146407409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360056 + ... + 3363668.

It is an arithmetic number, because the mean of its divisors is an integer number (653555760).

Almost surely, 2^12146407406 is an apocalyptic number.

12146407406 is a deficient number, since it is larger than the sum of its proper divisors (8767376914).

12146407406 is a wasteful number, since it uses less digits than its factorization.

12146407406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 12146407406 in words is "twelve billion, one hundred forty-six million, four hundred seven thousand, four hundred six".