21312033301132 has 12 divisors (see below), whose sum is σ = 42624066602320. Its totient is φ = 9133728557616.

The previous prime is 21312033301129. The next prime is 21312033301171. The reversal of 21312033301132 is 23110333021312.

21312033301132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21312033301097 and 21312033301106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 380572023207 + ... + 380572023262.

Almost surely, 2^{21312033301132} is an apocalyptic number.

It is an amenable number.

21312033301132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21312033301132 is a wasteful number, since it uses less digits than its factorization.

21312033301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761144046480 (or 761144046478 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21312033301132 its reverse (23110333021312), we get a palindrome (44422366322444).

The spelling of 21312033301132 in words is "twenty-one trillion, three hundred twelve billion, thirty-three million, three hundred one thousand, one hundred thirty-two".