132112021 has 2 divisors, whose sum is σ = 132112022. Its totient is φ = 132112020.

The previous prime is 132111983. The next prime is 132112061. The reversal of 132112021 is 120211231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113742225 + 18369796 = 10665^2 + 4286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132112021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132111992 and 132112010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132112061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66056010 + 66056011.

It is an arithmetic number, because the mean of its divisors is an integer number (66056011).

Almost surely, 2^132112021 is an apocalyptic number.

It is an amenable number.

132112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132112021 is an equidigital number, since it uses as much as digits as its factorization.

132112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 132112021 is about 11493.9993474856. Note that the first 3 decimals coincide. The cubic root of 132112021 is about 509.3083293171.

Adding to 132112021 its reverse (120211231), we get a palindrome (252323252).

The spelling of 132112021 in words is "one hundred thirty-two million, one hundred twelve thousand, twenty-one".