21312033113132 has 12 divisors (see below), whose sum is σ = 37806962851896. Its totient is φ = 10510043726880.

The previous prime is 21312033113093. The next prime is 21312033113149. The reversal of 21312033113132 is 23131133021312.

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, 36493207094 + ... + 36493207677.

It is an arithmetic number, because the mean of its divisors is an integer number (3150580237658).

Almost surely, 2^{21312033113132} is an apocalyptic number.

It is an amenable number.

21312033113132 is a deficient number, since it is larger than the sum of its proper divisors (16494929738764).

21312033113132 is a wasteful number, since it uses less digits than its factorization.

21312033113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72986414848 (or 72986414846 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21312033113132 its reverse (23131133021312), we get a palindrome (44443166134444).

The spelling of 21312033113132 in words is "twenty-one trillion, three hundred twelve billion, thirty-three million, one hundred thirteen thousand, one hundred thirty-two".