132123123011221 has 4 divisors (see below), whose sum is σ = 132134339860000. Its totient is φ = 132111906162444.

The previous prime is 132123123011219. The next prime is 132123123011233. The reversal of 132123123011221 is 122110321321231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132123123011221 - 2¹ = 132123123011219 is a prime.

It is a super-2 number, since 2×132123123011221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132123123011291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608406721 + ... + 5608430278.

It is an arithmetic number, because the mean of its divisors is an integer number (33033584965000).

Almost surely, 2^{132123123011221} is an apocalyptic number.

It is an amenable number.

132123123011221 is a deficient number, since it is larger than the sum of its proper divisors (11216848779).

132123123011221 is a wasteful number, since it uses less digits than its factorization.

132123123011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216848778.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 132123123011221 its reverse (122110321321231), we get a palindrome (254233444332452).

The spelling of 132123123011221 in words is "one hundred thirty-two trillion, one hundred twenty-three billion, one hundred twenty-three million, eleven thousand, two hundred twenty-one".