12000531016 has 16 divisors (see below), whose sum is σ = 22529239740. Its totient is φ = 5992733760.

The previous prime is 12000530999. The next prime is 12000531079. The reversal of 12000531016 is 61013500021.

It can be written as a sum of positive squares in 2 ways, for example, as 10599526116 + 1401004900 = 102954^2 + 37430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000530984 and 12000531002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934695 + ... + 947446.

Almost surely, 2^12000531016 is an apocalyptic number.

It is an amenable number.

12000531016 is a deficient number, since it is larger than the sum of its proper divisors (10528708724).

12000531016 is a wasteful number, since it uses less digits than its factorization.

12000531016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882944 (or 1882940 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 12000531016 in words is "twelve billion, five hundred thirty-one thousand, sixteen".