12090761764 has 9 divisors (see below), whose sum is σ = 21159217947. Its totient is φ = 6045270924.

The previous prime is 12090761741. The next prime is 12090761773. The reversal of 12090761764 is 46716709021.

The square root of 12090761764 is 109958.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12090761764.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 192427 + ... + 247405.

Almost surely, 2^12090761764 is an apocalyptic number.

12090761764 is the 109958-th square number.

It is an amenable number.

12090761764 is a deficient number, since it is larger than the sum of its proper divisors (9068456183).

12090761764 is an frugal number, since it uses more digits than its factorization.

12090761764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109962 (or 54981 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 12090761764 in words is "twelve billion, ninety million, seven hundred sixty-one thousand, seven hundred sixty-four".