12167054840505 has 64 divisors (see below), whose sum is σ = 21792036614400. Its totient is φ = 5760676454400.

The previous prime is 12167054840503. The next prime is 12167054840513. The reversal of 12167054840505 is 50504845076121.

It is a happy number.

It is not a de Polignac number, because 12167054840505 - 2¹ = 12167054840503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12167054840503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4373596 + ... + 6592605.

It is an arithmetic number, because the mean of its divisors is an integer number (340500572100).

Almost surely, 2^{12167054840505} is an apocalyptic number.

12167054840505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12167054840505 is a deficient number, since it is larger than the sum of its proper divisors (9624981773895).

12167054840505 is a wasteful number, since it uses less digits than its factorization.

12167054840505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966474.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 12167054840505 in words is "twelve trillion, one hundred sixty-seven billion, fifty-four million, eight hundred forty thousand, five hundred five".