21032412601 has 2 divisors, whose sum is σ = 21032412602. Its totient is φ = 21032412600.

The previous prime is 21032412587. The next prime is 21032412623. The reversal of 21032412601 is 10621423012.

It is an a-pointer prime, because the next prime (21032412623) can be obtained adding 21032412601 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14572111225 + 6460301376 = 120715^2 + 80376^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032412601 - 2¹⁹ = 21031888313 is a prime.

It is not a weakly prime, because it can be changed into another prime (21032412641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516206300 + 10516206301.

It is an arithmetic number, because the mean of its divisors is an integer number (10516206301).

Almost surely, 2^21032412601 is an apocalyptic number.

It is an amenable number.

21032412601 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032412601 is an equidigital number, since it uses as much as digits as its factorization.

21032412601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21032412601 its reverse (10621423012), we get a palindrome (31653835613).

The spelling of 21032412601 in words is "twenty-one billion, thirty-two million, four hundred twelve thousand, six hundred one".