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12220221002211 = 323765029564323
BaseRepresentation
bin1011000111010011110111…
…1011101001000111100011
31121021020112012202010120200
42301310331323221013203
53100204003034032321
641553520402240243
72400611316442515
oct261647573510743
947236465663520
1012220221002211
1139916261a2282
12145443b356083
136a8492115311
14303667473bb5
15162d21717d26
hexb1d3dee91e3

12220221002211 has 24 divisors (see below), whose sum is σ = 18128806921680. Its totient is φ = 7926493899456.

The previous prime is 12220221002167. The next prime is 12220221002273. The reversal of 12220221002211 is 11220012202221.

It is a happy number.

12220221002211 is a `hidden beast` number, since 1 + 2 + 220 + 221 + 0 + 0 + 221 + 1 = 666.

It is not a de Polignac number, because 12220221002211 - 210 = 12220221001187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220221002411) 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, 21372496 + ... + 21936818.

It is an arithmetic number, because the mean of its divisors is an integer number (755366955070).

Almost surely, 212220221002211 is an apocalyptic number.

12220221002211 is a deficient number, since it is larger than the sum of its proper divisors (5908585919469).

12220221002211 is a wasteful number, since it uses less digits than its factorization.

12220221002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629395 (or 629392 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220221002211 its reverse (11220012202221), we get a palindrome (23440233204432).

The spelling of 12220221002211 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two thousand, two hundred eleven".

Divisors: 1 3 9 37 111 333 65029 195087 564323 585261 1692969 2406073 5078907 7218219 20879951 21654657 62639853 187919559 36697360367 110092081101 330276243303 1357802333579 4073407000737 12220221002211