132212981 has 2 divisors, whose sum is σ = 132212982. Its totient is φ = 132212980.

The previous prime is 132212959. The next prime is 132213007. The reversal of 132212981 is 189212231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 7890481 = 11150^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 132212981 - 2¹⁸ = 131950837 is a prime.

It is a super-3 number, since 3×132212981³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132212881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66106490 + 66106491.

It is an arithmetic number, because the mean of its divisors is an integer number (66106491).

Almost surely, 2^132212981 is an apocalyptic number.

It is an amenable number.

132212981 is a deficient number, since it is larger than the sum of its proper divisors (1).

132212981 is an equidigital number, since it uses as much as digits as its factorization.

132212981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 132212981 is about 11498.3903656120. The cubic root of 132212981 is about 509.4380340827.

The spelling of 132212981 in words is "one hundred thirty-two million, two hundred twelve thousand, nine hundred eighty-one".