12016531332 has 96 divisors (see below), whose sum is σ = 35009237760. Its totient is φ = 3536628480.

The previous prime is 12016531327. The next prime is 12016531343. The reversal of 12016531332 is 23313561021.

12016531332 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 653 + 1 + 3 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12016531296 and 12016531305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153769 + ... + 218352.

It is an arithmetic number, because the mean of its divisors is an integer number (364679560).

Almost surely, 2^12016531332 is an apocalyptic number.

12016531332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12016531332 is an abundant number, since it is smaller than the sum of its proper divisors (22992706428).

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

12016531332 is a wasteful number, since it uses less digits than its factorization.

12016531332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372170 (or 372162 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 12016531332 in words is "twelve billion, sixteen million, five hundred thirty-one thousand, three hundred thirty-two".