12146603564 has 12 divisors (see below), whose sum is σ = 22506942024. Its totient is φ = 5716048704.

The previous prime is 12146603563. The next prime is 12146603587. The reversal of 12146603564 is 46530664121.

It is not an unprimeable number, because it can be changed into a prime (12146603561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89313194 + ... + 89313329.

It is an arithmetic number, because the mean of its divisors is an integer number (1875578502).

Almost surely, 2^12146603564 is an apocalyptic number.

It is an amenable number.

12146603564 is a deficient number, since it is larger than the sum of its proper divisors (10360338460).

12146603564 is a wasteful number, since it uses less digits than its factorization.

12146603564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178626544 (or 178626542 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12146603564 in words is "twelve billion, one hundred forty-six million, six hundred three thousand, five hundred sixty-four".