16441512012 has 36 divisors (see below), whose sum is σ = 41601367080. Its totient is φ = 5475113472.

The previous prime is 16441512011. The next prime is 16441512019. The reversal of 16441512012 is 21021514461.

16441512012 is a `hidden beast` number, since 1 + 644 + 1 + 5 + 1 + 2 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×16441512012³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16441512011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187413 + ... + 260780.

It is an arithmetic number, because the mean of its divisors is an integer number (1155593530).

Almost surely, 2^16441512012 is an apocalyptic number.

16441512012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16441512012 is an abundant number, since it is smaller than the sum of its proper divisors (25159855068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16441512012 is a wasteful number, since it uses less digits than its factorization.

16441512012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449222 (or 449217 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 16441512012 in words is "sixteen billion, four hundred forty-one million, five hundred twelve thousand, twelve".