1332112021 has 12 divisors (see below), whose sum is σ = 1407651744. Its totient is φ = 1260441000.

The previous prime is 1332112009. The next prime is 1332112043. The reversal of 1332112021 is 1202112331.

It is not a de Polignac number, because 1332112021 - 2¹¹ = 1332109973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332111986 and 1332112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332112421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377656 + ... + 381166.

It is an arithmetic number, because the mean of its divisors is an integer number (117304312).

Almost surely, 2^1332112021 is an apocalyptic number.

It is an amenable number.

1332112021 is a deficient number, since it is larger than the sum of its proper divisors (75539723).

1332112021 is a wasteful number, since it uses less digits than its factorization.

1332112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1332112021 is about 36498.1098277705. The cubic root of 1332112021 is about 1100.3062565989.

Adding to 1332112021 its reverse (1202112331), we get a palindrome (2534224352).

The spelling of 1332112021 in words is "one billion, three hundred thirty-two million, one hundred twelve thousand, twenty-one".