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122100212223 = 32112112121407
BaseRepresentation
bin111000110110110111…
…1010110000111111111
3102200011101002110001100
41301231233112013333
54000030123242343
6132031515144143
711551520452053
oct1615557260777
9380141073040
10122100212223
1147867428700
121b7b7145053
13b68b34a9b2
145ca4249c63
1532995609d3
hex1c6dbd61ff

122100212223 has 18 divisors (see below), whose sum is σ = 193857914432. Its totient is φ = 74000127960.

The previous prime is 122100212219. The next prime is 122100212239. The reversal of 122100212223 is 322212001221.

It is not a de Polignac number, because 122100212223 - 22 = 122100212219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100212196 and 122100212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100212243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56059615 + ... + 56061792.

Almost surely, 2122100212223 is an apocalyptic number.

122100212223 is a deficient number, since it is larger than the sum of its proper divisors (71757702209).

122100212223 is a wasteful number, since it uses less digits than its factorization.

122100212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112121435 (or 112121421 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122100212223 its reverse (322212001221), we get a palindrome (444312213444).

The spelling of 122100212223 in words is "one hundred twenty-two billion, one hundred million, two hundred twelve thousand, two hundred twenty-three".

Divisors: 1 3 9 11 33 99 121 363 1089 112121407 336364221 1009092663 1233335477 3700006431 11100019293 13566690247 40700070741 122100212223