220002212123 has 2 divisors, whose sum is σ = 220002212124. Its totient is φ = 220002212122.

The previous prime is 220002212119. The next prime is 220002212153. The reversal of 220002212123 is 321212200022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220002212123 - 2² = 220002212119 is a prime.

It is not a weakly prime, because it can be changed into another prime (220002212153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001106061 + 110001106062.

It is an arithmetic number, because the mean of its divisors is an integer number (110001106062).

Almost surely, 2^220002212123 is an apocalyptic number.

220002212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002212123 is an equidigital number, since it uses as much as digits as its factorization.

220002212123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 220002212123 its reverse (321212200022), we get a palindrome (541214412145).

The spelling of 220002212123 in words is "two hundred twenty billion, two million, two hundred twelve thousand, one hundred twenty-three".