21332123120326 has 32 divisors (see below), whose sum is σ = 32640467499360. Its totient is φ = 10454000173056.

The previous prime is 21332123120303. The next prime is 21332123120327. The reversal of 21332123120326 is 62302132123312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332123120327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15043290 + ... + 16400146.

It is an arithmetic number, because the mean of its divisors is an integer number (1020014609355).

Almost surely, 2^{21332123120326} is an apocalyptic number.

21332123120326 is a deficient number, since it is larger than the sum of its proper divisors (11308344379034).

21332123120326 is a wasteful number, since it uses less digits than its factorization.

21332123120326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357608.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 21332123120326 its reverse (62302132123312), we get a palindrome (83634255243638).

The spelling of 21332123120326 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty-three million, one hundred twenty thousand, three hundred twenty-six".