12171023032326 has 32 divisors (see below), whose sum is σ = 24860201356800. Its totient is φ = 3970650124896.

The previous prime is 12171023032297. The next prime is 12171023032361. The reversal of 12171023032326 is 62323032017121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56885140 + ... + 57098696.

It is an arithmetic number, because the mean of its divisors is an integer number (776881292400).

Almost surely, 2^{12171023032326} is an apocalyptic number.

12171023032326 is an abundant number, since it is smaller than the sum of its proper divisors (12689178324474).

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

12171023032326 is a wasteful number, since it uses less digits than its factorization.

12171023032326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415708.

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 12171023032326 its reverse (62323032017121), we get a palindrome (74494055049447).

The spelling of 12171023032326 in words is "twelve trillion, one hundred seventy-one billion, twenty-three million, thirty-two thousand, three hundred twenty-six".