132120440321231 has 4 divisors (see below), whose sum is σ = 134613278817912. Its totient is φ = 129627601824552.

The previous prime is 132120440321203. The next prime is 132120440321237. The reversal of 132120440321231 is 132123044021231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 132120440321231 - 2⁶ = 132120440321167 is a prime.

It is a super-2 number, since 2×132120440321231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132120440321194 and 132120440321203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132120440321237) 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, 1246419248261 + ... + 1246419248366.

It is an arithmetic number, because the mean of its divisors is an integer number (33653319704478).

Almost surely, 2^{132120440321231} is an apocalyptic number.

132120440321231 is a deficient number, since it is larger than the sum of its proper divisors (2492838496681).

132120440321231 is an equidigital number, since it uses as much as digits as its factorization.

132120440321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492838496680.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 132120440321231 its reverse (132123044021231), we get a palindrome (264243484342462).

The spelling of 132120440321231 in words is "one hundred thirty-two trillion, one hundred twenty billion, four hundred forty million, three hundred twenty-one thousand, two hundred thirty-one".