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122220213223 is a prime number
BaseRepresentation
bin111000111010011100…
…1000111001111100111
3102200110201220010110211
41301310321013033213
54000301333310343
6132051443200251
711554505446153
oct1616471071747
9380421803424
10122220213223
1147919140189
121b82b376087
13b6aa1751c4
145cb6166063
1532a4d6679d
hex1c74e473e7

122220213223 has 2 divisors, whose sum is σ = 122220213224. Its totient is φ = 122220213222.

The previous prime is 122220213139. The next prime is 122220213239. The reversal of 122220213223 is 322312022221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122220213223 - 225 = 122186658791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122220213194 and 122220213203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220213293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110106611 + 61110106612.

It is an arithmetic number, because the mean of its divisors is an integer number (61110106612).

Almost surely, 2122220213223 is an apocalyptic number.

122220213223 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220213223 is an equidigital number, since it uses as much as digits as its factorization.

122220213223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 122220213223 its reverse (322312022221), we get a palindrome (444532235444).

The spelling of 122220213223 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred thirteen thousand, two hundred twenty-three".