220212031223 has 2 divisors, whose sum is σ = 220212031224. Its totient is φ = 220212031222.

The previous prime is 220212031217. The next prime is 220212031267. The reversal of 220212031223 is 322130212022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220212031223 - 2¹⁸ = 220211769079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220212031195 and 220212031204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212031723) 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 as a sum of consecutive naturals, namely, 110106015611 + 110106015612.

It is an arithmetic number, because the mean of its divisors is an integer number (110106015612).

Almost surely, 2^220212031223 is an apocalyptic number.

220212031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212031223 is an equidigital number, since it uses as much as digits as its factorization.

220212031223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220212031223 its reverse (322130212022), we get a palindrome (542342243245).

The spelling of 220212031223 in words is "two hundred twenty billion, two hundred twelve million, thirty-one thousand, two hundred twenty-three".