12099169164996 has 81 divisors (see below), whose sum is σ = 31604107105389. Its totient is φ = 3902749092000.

The previous prime is 12099169164949. The next prime is 12099169164997. The reversal of 12099169164996 is 69946196199021.

It is a happy number.

The square root of 12099169164996 is 3478386.

It is a perfect power (a square), and thus also a powerful number.

12099169164996 is a `hidden beast` number, since 1 + 20 + 99 + 16 + 9 + 16 + 499 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2077386046596 + 10021783118400 = 1441314^2 + 3165720^2 .

It is not an unprimeable number, because it can be changed into a prime (12099169164997) 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 in 26 ways as a sum of consecutive naturals, for example, 646970446 + ... + 646989146.

Almost surely, 2^{12099169164996} is an apocalyptic number.

12099169164996 is the 3478386-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12099169164996

12099169164996 is an abundant number, since it is smaller than the sum of its proper divisors (19504937940393).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12099169164996 is an frugal number, since it uses more digits than its factorization.

12099169164996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37474 (or 18737 counting only the distinct ones).

The product of its (nonzero) digits is 102036672, while the sum is 72.

The spelling of 12099169164996 in words is "twelve trillion, ninety-nine billion, one hundred sixty-nine million, one hundred sixty-four thousand, nine hundred ninety-six".