12145000489 has 2 divisors, whose sum is σ = 12145000490. Its totient is φ = 12145000488.

The previous prime is 12145000471. The next prime is 12145000499. The reversal of 12145000489 is 98400054121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9808921600 + 2336078889 = 99040^2 + 48333^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145000489 - 2²⁵ = 12111446057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12145000499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072500244 + 6072500245.

It is an arithmetic number, because the mean of its divisors is an integer number (6072500245).

Almost surely, 2^12145000489 is an apocalyptic number.

It is an amenable number.

12145000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145000489 is an equidigital number, since it uses as much as digits as its factorization.

12145000489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 12145000489 in words is "twelve billion, one hundred forty-five million, four hundred eighty-nine", and thus it is an aban number.