12345164501 has 2 divisors, whose sum is σ = 12345164502. Its totient is φ = 12345164500.

The previous prime is 12345164471. The next prime is 12345164527. The reversal of 12345164501 is 10546154321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9437151025 + 2908013476 = 97145^2 + 53926^2 .

It is an emirp because it is prime and its reverse (10546154321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12345164501 - 2²⁶ = 12278055637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345164551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172582250 + 6172582251.

It is an arithmetic number, because the mean of its divisors is an integer number (6172582251).

Almost surely, 2^12345164501 is an apocalyptic number.

It is an amenable number.

12345164501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345164501 is an equidigital number, since it uses as much as digits as its factorization.

12345164501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12345164501 in words is "twelve billion, three hundred forty-five million, one hundred sixty-four thousand, five hundred one".