12051552032 has 24 divisors (see below), whose sum is σ = 25551608796. Its totient is φ = 5562254592.

The previous prime is 12051551959. The next prime is 12051552041. The reversal of 12051552032 is 23025515021.

It can be written as a sum of positive squares in 2 ways, for example, as 10517733136 + 1533818896 = 102556^2 + 39164^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 12051551992 and 12051552010.

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, 14484623 + ... + 14485454.

Almost surely, 2^12051552032 is an apocalyptic number.

It is an amenable number.

12051552032 is an abundant number, since it is smaller than the sum of its proper divisors (13500056764).

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

12051552032 is a wasteful number, since it uses less digits than its factorization.

12051552032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28970100 (or 28970092 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 12051552032 in words is "twelve billion, fifty-one million, five hundred fifty-two thousand, thirty-two".