212022303231 has 8 divisors (see below), whose sum is σ = 282700902960. Its totient is φ = 141345952832.

The previous prime is 212022303197. The next prime is 212022303257. The reversal of 212022303231 is 132303220212.

It is a happy number.

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 212022303231 - 2¹⁵ = 212022270463 is a prime.

It is a super-2 number, since 2×212022303231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022303198 and 212022303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022303631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328500 + ... + 729353.

It is an arithmetic number, because the mean of its divisors is an integer number (35337612870).

Almost surely, 2^212022303231 is an apocalyptic number.

212022303231 is a deficient number, since it is larger than the sum of its proper divisors (70678599729).

212022303231 is a wasteful number, since it uses less digits than its factorization.

212022303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124665.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212022303231 its reverse (132303220212), we get a palindrome (344325523443).

The spelling of 212022303231 in words is "two hundred twelve billion, twenty-two million, three hundred three thousand, two hundred thirty-one".