12051209284 has 27 divisors (see below), whose sum is σ = 21302676031. Its totient is φ = 5965336520.

The previous prime is 12051209279. The next prime is 12051209293. The reversal of 12051209284 is 48290215021.

The square root of 12051209284 is 109778.

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

12051209284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 28761627 + ... + 28762045.

Almost surely, 2^12051209284 is an apocalyptic number.

12051209284 is the 109778-th square number.

It is an amenable number.

12051209284 is a deficient number, since it is larger than the sum of its proper divisors (9251466747).

12051209284 is an frugal number, since it uses more digits than its factorization.

12051209284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

It can be divided in two parts, 1205120 and 9284, that added together give a square (1214404 = 1102²).

The spelling of 12051209284 in words is "twelve billion, fifty-one million, two hundred nine thousand, two hundred eighty-four".