212213203231 has 8 divisors (see below), whose sum is σ = 222649920128. Its totient is φ = 202000932000.

The previous prime is 212213203229. The next prime is 212213203261. The reversal of 212213203231 is 132302312212.

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

It is a cyclic number.

It is not a de Polignac number, because 212213203231 - 2¹ = 212213203229 is a prime.

It is a super-2 number, since 2×212213203231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213203201) 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, 56109480 + ... + 56113261.

It is an arithmetic number, because the mean of its divisors is an integer number (27831240016).

Almost surely, 2^212213203231 is an apocalyptic number.

212213203231 is a deficient number, since it is larger than the sum of its proper divisors (10436716897).

212213203231 is a wasteful number, since it uses less digits than its factorization.

212213203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112222833.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212213203231 its reverse (132302312212), we get a palindrome (344515515443).

The spelling of 212213203231 in words is "two hundred twelve billion, two hundred thirteen million, two hundred three thousand, two hundred thirty-one".