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12212200100223 = 326171313302037
BaseRepresentation
bin1011000110110101111111…
…0110010101000101111111
31121020110211020000002112200
42301231133312111011333
53100041041211201343
641550112434402543
72400205463055564
oct261553766250577
947213736002480
1012212200100223
11398918a648962
121452981130453
136a77b4464376
143031060c886b
15162a0248e4d3
hexb1b5fd9517f

12212200100223 has 24 divisors (see below), whose sum is σ = 18181543869216. Its totient is φ = 7895211307200.

The previous prime is 12212200100183. The next prime is 12212200100279. The reversal of 12212200100223 is 32200100221221.

12212200100223 is a `hidden beast` number, since 1 + 221 + 220 + 0 + 1 + 0 + 0 + 223 = 666.

It is not a de Polignac number, because 12212200100223 - 222 = 12212195905919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212200100196 and 12212200100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212200100423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156612040 + ... + 156689997.

It is an arithmetic number, because the mean of its divisors is an integer number (757564327884).

Almost surely, 212212200100223 is an apocalyptic number.

12212200100223 is a deficient number, since it is larger than the sum of its proper divisors (5969343768993).

12212200100223 is a wasteful number, since it uses less digits than its factorization.

12212200100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313302175 (or 313302172 counting only the distinct ones).

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

Adding to 12212200100223 its reverse (32200100221221), we get a palindrome (44412300321444).

The spelling of 12212200100223 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred thousand, two hundred twenty-three".

Divisors: 1 3 9 61 71 183 213 549 639 4331 12993 38979 313302037 939906111 2819718333 19111424257 22244444627 57334272771 66733333881 172002818313 200200001643 1356911122247 4070733366741 12212200100223