12066189465 has 32 divisors (see below), whose sum is σ = 21071705472. Its totient is φ = 5847296000.

The previous prime is 12066189461. The next prime is 12066189469. The reversal of 12066189465 is 56498166021.

It is an interprime number because it is at equal distance from previous prime (12066189461) and next prime (12066189469).

It is not a de Polignac number, because 12066189465 - 2² = 12066189461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12066189461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325795 + ... + 360935.

It is an arithmetic number, because the mean of its divisors is an integer number (658490796).

Almost surely, 2^12066189465 is an apocalyptic number.

12066189465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12066189465 is a deficient number, since it is larger than the sum of its proper divisors (9005516007).

12066189465 is a wasteful number, since it uses less digits than its factorization.

12066189465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37241.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 12066189465 in words is "twelve billion, sixty-six million, one hundred eighty-nine thousand, four hundred sixty-five".