12152223888016 has 45 divisors (see below), whose sum is σ = 23708067361531. Its totient is φ = 6034300812032.

The previous prime is 12152223888011. The next prime is 12152223888089. The reversal of 12152223888016 is 61088832225121.

The square root of 12152223888016 is 3486004.

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

12152223888016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3889588617616 + 8262635270400 = 1972204^2 + 2874480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152223888011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2077655460 + ... + 2077661308.

Almost surely, 2^{12152223888016} is an apocalyptic number.

12152223888016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12152223888016 is the 3486004-th square number.

It is an amenable number.

12152223888016 is a deficient number, since it is larger than the sum of its proper divisors (11555843473515).

12152223888016 is an frugal number, since it uses more digits than its factorization.

12152223888016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 6000 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

Multiplying 12152223888016 by its sum of digits (49), we get a square (595458970512784 = 24402028²).

The spelling of 12152223888016 in words is "twelve trillion, one hundred fifty-two billion, two hundred twenty-three million, eight hundred eighty-eight thousand, sixteen".