212344210203401 has 4 divisors (see below), whose sum is σ = 213232679702400. Its totient is φ = 211455740704404.

The previous prime is 212344210203397. The next prime is 212344210203443. The reversal of 212344210203401 is 104302012443212.

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 a cyclic number.

It is not a de Polignac number, because 212344210203401 - 2² = 212344210203397 is a prime.

It is a super-2 number, since 2×212344210203401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212344210209401) 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 in 3 ways as a sum of consecutive naturals, for example, 444234749141 + ... + 444234749618.

It is an arithmetic number, because the mean of its divisors is an integer number (53308169925600).

Almost surely, 2^{212344210203401} is an apocalyptic number.

It is an amenable number.

212344210203401 is a deficient number, since it is larger than the sum of its proper divisors (888469498999).

212344210203401 is an equidigital number, since it uses as much as digits as its factorization.

212344210203401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888469498998.

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

Adding to 212344210203401 its reverse (104302012443212), we get a palindrome (316646222646613).

The spelling of 212344210203401 in words is "two hundred twelve trillion, three hundred forty-four billion, two hundred ten million, two hundred three thousand, four hundred one".