12021332 has 12 divisors (see below), whose sum is σ = 21086016. Its totient is φ = 5996760.

The previous prime is 12021311. The next prime is 12021353. The reversal of 12021332 is 23312021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12021311) and next prime (12021353).

It is a congruent number.

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, 1394 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (1757168).

Almost surely, 2^12021332 is an apocalyptic number.

It is an amenable number.

12021332 is a deficient number, since it is larger than the sum of its proper divisors (9064684).

12021332 is a wasteful number, since it uses less digits than its factorization.

12021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6958 (or 6956 counting only the distinct ones).

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

The square root of 12021332 is about 3467.1792569753. The cubic root of 12021332 is about 229.0784295599.

Adding to 12021332 its reverse (23312021), we get a palindrome (35333353).

The spelling of 12021332 in words is "twelve million, twenty-one thousand, three hundred thirty-two".