12051603857764 has 9 divisors (see below), whose sum is σ = 21090318901491. Its totient is φ = 6025798457340.

The previous prime is 12051603857747. The next prime is 12051603857767. The reversal of 12051603857764 is 46775830615021.

The square root of 12051603857764 is 3471542.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12051603857767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6075199 + ... + 7810969.

Almost surely, 2^{12051603857764} is an apocalyptic number.

12051603857764 is the 3471542-nd square number.

It is an amenable number.

12051603857764 is a deficient number, since it is larger than the sum of its proper divisors (9038715043727).

12051603857764 is an frugal number, since it uses more digits than its factorization.

12051603857764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471546 (or 1735773 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 12051603857764 in words is "twelve trillion, fifty-one billion, six hundred three million, eight hundred fifty-seven thousand, seven hundred sixty-four".