12012015944 has 16 divisors (see below), whose sum is σ = 23046310320. Its totient is φ = 5866333200.

The previous prime is 12012015931. The next prime is 12012015989. The reversal of 12012015944 is 44951021021.

12012015944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012015944² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17458982 + ... + 17459669.

It is an arithmetic number, because the mean of its divisors is an integer number (1440394395).

Almost surely, 2^12012015944 is an apocalyptic number.

It is an amenable number.

12012015944 is a deficient number, since it is larger than the sum of its proper divisors (11034294376).

12012015944 is a wasteful number, since it uses less digits than its factorization.

12012015944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34918700 (or 34918696 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 12012015944 its reverse (44951021021), we get a palindrome (56963036965).

The spelling of 12012015944 in words is "twelve billion, twelve million, fifteen thousand, nine hundred forty-four".