12190164505 has 8 divisors (see below), whose sum is σ = 14637366792. Its totient is φ = 9746018688.

The previous prime is 12190164431. The next prime is 12190164509. The reversal of 12190164505 is 50546109121.

It is a happy number.

12190164505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 588935824 + 11601228681 = 24268^2 + 107709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12190164505 - 2¹³ = 12190156313 is a prime.

It is a super-2 number, since 2×12190164505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12190164509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755332 + ... + 771301.

It is an arithmetic number, because the mean of its divisors is an integer number (1829670849).

Almost surely, 2^12190164505 is an apocalyptic number.

It is an amenable number.

12190164505 is a deficient number, since it is larger than the sum of its proper divisors (2447202287).

12190164505 is a wasteful number, since it uses less digits than its factorization.

12190164505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528235.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 12190164505 in words is "twelve billion, one hundred ninety million, one hundred sixty-four thousand, five hundred five".