212231032401 has 4 divisors (see below), whose sum is σ = 282974709872. Its totient is φ = 141487354932.

The previous prime is 212231032397. The next prime is 212231032417. The reversal of 212231032401 is 104230132212.

212231032401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212231032401 - 2² = 212231032397 is a prime.

It is a super-2 number, since 2×212231032401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212231031401) 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 in 3 ways as a sum of consecutive naturals, for example, 35371838731 + ... + 35371838736.

It is an arithmetic number, because the mean of its divisors is an integer number (70743677468).

Almost surely, 2^212231032401 is an apocalyptic number.

It is an amenable number.

212231032401 is a deficient number, since it is larger than the sum of its proper divisors (70743677471).

212231032401 is an equidigital number, since it uses as much as digits as its factorization.

212231032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70743677470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212231032401 its reverse (104230132212), we get a palindrome (316461164613).

The spelling of 212231032401 in words is "two hundred twelve billion, two hundred thirty-one million, thirty-two thousand, four hundred one".