132421342421 has 2 divisors, whose sum is σ = 132421342422. Its totient is φ = 132421342420.

The previous prime is 132421342367. The next prime is 132421342451. The reversal of 132421342421 is 124243124231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128525835025 + 3895507396 = 358505^2 + 62414^2 .

It is an emirp because it is prime and its reverse (124243124231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132421342421 - 2⁶ = 132421342357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132421342451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66210671210 + 66210671211.

It is an arithmetic number, because the mean of its divisors is an integer number (66210671211).

Almost surely, 2^132421342421 is an apocalyptic number.

It is an amenable number.

132421342421 is a deficient number, since it is larger than the sum of its proper divisors (1).

132421342421 is an equidigital number, since it uses as much as digits as its factorization.

132421342421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 132421342421 its reverse (124243124231), we get a palindrome (256664466652).

The spelling of 132421342421 in words is "one hundred thirty-two billion, four hundred twenty-one million, three hundred forty-two thousand, four hundred twenty-one".