12532101121 has 2 divisors, whose sum is σ = 12532101122. Its totient is φ = 12532101120.

The previous prime is 12532101091. The next prime is 12532101133. The reversal of 12532101121 is 12110123521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12521610000 + 10491121 = 111900^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 12532101121 - 2⁷ = 12532100993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12532101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266050560 + 6266050561.

It is an arithmetic number, because the mean of its divisors is an integer number (6266050561).

Almost surely, 2^12532101121 is an apocalyptic number.

It is an amenable number.

12532101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12532101121 is an equidigital number, since it uses as much as digits as its factorization.

12532101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12532101121 its reverse (12110123521), we get a palindrome (24642224642).

The spelling of 12532101121 in words is "twelve billion, five hundred thirty-two million, one hundred one thousand, one hundred twenty-one".