12031322 has 8 divisors (see below), whose sum is σ = 18225972. Its totient is φ = 5956000.

The previous prime is 12031319. The next prime is 12031337. The reversal of 12031322 is 22313021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7447441 + 4583881 = 2729^2 + 2141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12031297 and 12031306.

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, 29579 + ... + 29982.

Almost surely, 2^12031322 is an apocalyptic number.

12031322 is a deficient number, since it is larger than the sum of its proper divisors (6194650).

12031322 is a wasteful number, since it uses less digits than its factorization.

12031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59664.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12031322 is about 3468.6196101619. The cubic root of 12031322 is about 229.1418684498.

Adding to 12031322 its reverse (22313021), we get a palindrome (34344343).

The spelling of 12031322 in words is "twelve million, thirty-one thousand, three hundred twenty-two".