21030330123332 has 12 divisors (see below), whose sum is σ = 36855578544876. Its totient is φ = 10500164824800.

The previous prime is 21030330123331. The next prime is 21030330123391. The reversal of 21030330123332 is 23332103303012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12322023555076 + 8708306568256 = 3510274^2 + 2950984^2 .

It is not an unprimeable number, because it can be changed into a prime (21030330123331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750056063 + ... + 3750061670.

It is an arithmetic number, because the mean of its divisors is an integer number (3071298212073).

Almost surely, 2^{21030330123332} is an apocalyptic number.

It is an amenable number.

21030330123332 is a deficient number, since it is larger than the sum of its proper divisors (15825248421544).

21030330123332 is a wasteful number, since it uses less digits than its factorization.

21030330123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500118438 (or 7500118436 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 21030330123332 its reverse (23332103303012), we get a palindrome (44362433426344).

The spelling of 21030330123332 in words is "twenty-one trillion, thirty billion, three hundred thirty million, one hundred twenty-three thousand, three hundred thirty-two".