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122030101223 = 167730719169
BaseRepresentation
bin111000110100110001…
…1111001001011100111
3102122222111011102211122
41301221203321023213
53444404201214343
6132020532324155
711550006513602
oct1615143711347
9378874142748
10122030101223
11478308a1228
121b79777365b
13b6799707b4
145c98bd9339
153293312068
hex1c698f92e7

122030101223 has 4 divisors (see below), whose sum is σ = 122760820560. Its totient is φ = 121299381888.

The previous prime is 122030101177. The next prime is 122030101247. The reversal of 122030101223 is 322101030221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322101030221 = 674807478063.

It is a cyclic number.

It is not a de Polignac number, because 122030101223 - 26 = 122030101159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030107223) 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, 365359418 + ... + 365359751.

It is an arithmetic number, because the mean of its divisors is an integer number (30690205140).

Almost surely, 2122030101223 is an apocalyptic number.

122030101223 is a deficient number, since it is larger than the sum of its proper divisors (730719337).

122030101223 is an equidigital number, since it uses as much as digits as its factorization.

122030101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730719336.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122030101223 its reverse (322101030221), we get a palindrome (444131131444).

The spelling of 122030101223 in words is "one hundred twenty-two billion, thirty million, one hundred one thousand, two hundred twenty-three".

Divisors: 1 167 730719169 122030101223