132012221261 has 2 divisors, whose sum is σ = 132012221262. Its totient is φ = 132012221260.

The previous prime is 132012221207. The next prime is 132012221279. The reversal of 132012221261 is 162122210231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106810658761 + 25201562500 = 326819^2 + 158750^2 .

It is a cyclic number.

It is not a de Polignac number, because 132012221261 - 2¹⁸ = 132011959117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132012241261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66006110630 + 66006110631.

It is an arithmetic number, because the mean of its divisors is an integer number (66006110631).

Almost surely, 2^132012221261 is an apocalyptic number.

It is an amenable number.

132012221261 is a deficient number, since it is larger than the sum of its proper divisors (1).

132012221261 is an equidigital number, since it uses as much as digits as its factorization.

132012221261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 132012221261 its reverse (162122210231), we get a palindrome (294134431492).

The spelling of 132012221261 in words is "one hundred thirty-two billion, twelve million, two hundred twenty-one thousand, two hundred sixty-one".