212030222023 has 4 divisors (see below), whose sum is σ = 212720874520. Its totient is φ = 211339569528.

The previous prime is 212030222021. The next prime is 212030222039. The reversal of 212030222023 is 320222030212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212030222023 - 2¹ = 212030222021 is a prime.

It is a super-2 number, since 2×212030222023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030222021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345325788 + ... + 345326401.

It is an arithmetic number, because the mean of its divisors is an integer number (53180218630).

Almost surely, 2^212030222023 is an apocalyptic number.

212030222023 is a deficient number, since it is larger than the sum of its proper divisors (690652497).

212030222023 is an equidigital number, since it uses as much as digits as its factorization.

212030222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690652496.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212030222023 its reverse (320222030212), we get a palindrome (532252252235).

The spelling of 212030222023 in words is "two hundred twelve billion, thirty million, two hundred twenty-two thousand, twenty-three".