20212203230231 has 8 divisors (see below), whose sum is σ = 20741960345904. Its totient is φ = 19684197378880.

The previous prime is 20212203230183. The next prime is 20212203230257. The reversal of 20212203230231 is 13203230221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212203230231 is a prime.

It is a super-2 number, since 2×20212203230231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212203230197 and 20212203230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212203230831) 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 7 ways as a sum of consecutive naturals, for example, 437792696 + ... + 437838861.

It is an arithmetic number, because the mean of its divisors is an integer number (2592745043238).

Almost surely, 2^{20212203230231} is an apocalyptic number.

20212203230231 is a deficient number, since it is larger than the sum of its proper divisors (529757115673).

20212203230231 is an equidigital number, since it uses as much as digits as its factorization.

20212203230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875632161.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20212203230231 its reverse (13203230221202), we get a palindrome (33415433451433).

The spelling of 20212203230231 in words is "twenty trillion, two hundred twelve billion, two hundred three million, two hundred thirty thousand, two hundred thirty-one".