132123441203221 has 4 divisors (see below), whose sum is σ = 142286782834252. Its totient is φ = 121960099572192.

The previous prime is 132123441203207. The next prime is 132123441203233. The reversal of 132123441203221 is 122302144321231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21452515202596 + 110670926000625 = 4631686^2 + 10520025^2 .

It is a cyclic number.

It is not a de Polignac number, because 132123441203221 - 2¹⁵ = 132123441170453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132123441203921) 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, 5081670815496 + ... + 5081670815521.

It is an arithmetic number, because the mean of its divisors is an integer number (35571695708563).

Almost surely, 2^{132123441203221} is an apocalyptic number.

It is an amenable number.

132123441203221 is a deficient number, since it is larger than the sum of its proper divisors (10163341631031).

132123441203221 is a wasteful number, since it uses less digits than its factorization.

132123441203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163341631030.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 132123441203221 its reverse (122302144321231), we get a palindrome (254425585524452).

The spelling of 132123441203221 in words is "one hundred thirty-two trillion, one hundred twenty-three billion, four hundred forty-one million, two hundred three thousand, two hundred twenty-one".