212022320203 has 4 divisors (see below), whose sum is σ = 212030785368. Its totient is φ = 212013855040.

The previous prime is 212022320197. The next prime is 212022320207. The reversal of 212022320203 is 302023220212.

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 212022320203 - 2¹³ = 212022312011 is a prime.

It is a super-2 number, since 2×212022320203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022320207) 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, 4194901 + ... + 4245142.

It is an arithmetic number, because the mean of its divisors is an integer number (53007696342).

Almost surely, 2^212022320203 is an apocalyptic number.

212022320203 is a deficient number, since it is larger than the sum of its proper divisors (8465165).

212022320203 is an equidigital number, since it uses as much as digits as its factorization.

212022320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465164.

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

Adding to 212022320203 its reverse (302023220212), we get a palindrome (514045540415).

Subtracting 212022320203 from its reverse (302023220212), we obtain a palindrome (90000900009).

The spelling of 212022320203 in words is "two hundred twelve billion, twenty-two million, three hundred twenty thousand, two hundred three".