12031529332 has 6 divisors (see below), whose sum is σ = 21055176338. Its totient is φ = 6015764664.

The previous prime is 12031529329. The next prime is 12031529369. The reversal of 12031529332 is 23392513021.

It can be written as a sum of positive squares in only one way, i.e., 11686907236 + 344622096 = 108106^2 + 18564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12031529294 and 12031529303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503941163 + ... + 1503941170.

Almost surely, 2^12031529332 is an apocalyptic number.

It is an amenable number.

12031529332 is a deficient number, since it is larger than the sum of its proper divisors (9023647006).

12031529332 is a wasteful number, since it uses less digits than its factorization.

12031529332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007882337 (or 3007882335 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 12031529332 in words is "twelve billion, thirty-one million, five hundred twenty-nine thousand, three hundred thirty-two".