12240432101 has 2 divisors, whose sum is σ = 12240432102. Its totient is φ = 12240432100.

The previous prime is 12240432079. The next prime is 12240432137. The reversal of 12240432101 is 10123404221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8917024900 + 3323407201 = 94430^2 + 57649^2 .

It is a cyclic number.

It is not a de Polignac number, because 12240432101 - 2¹⁴ = 12240415717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12240432161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120216050 + 6120216051.

It is an arithmetic number, because the mean of its divisors is an integer number (6120216051).

Almost surely, 2^12240432101 is an apocalyptic number.

It is an amenable number.

12240432101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240432101 is an equidigital number, since it uses as much as digits as its factorization.

12240432101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12240432101 its reverse (10123404221), we get a palindrome (22363836322).

The spelling of 12240432101 in words is "twelve billion, two hundred forty million, four hundred thirty-two thousand, one hundred one".