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12222202202 = 272254349043
BaseRepresentation
bin10110110001000000…
…00000000101011010
31011112210020012110122
423120200000011122
5200012340432302
65340444113242
7611610001400
oct133040000532
934483205418
1012222202202
115202129461
122451235822
1311ca1c3712
1483d33d470
154b80133a2
hex2d880015a

12222202202 has 24 divisors (see below), whose sum is σ = 21335317056. Its totient is φ = 5235920088.

The previous prime is 12222202189. The next prime is 12222202249. The reversal of 12222202202 is 20220222221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224693 + ... + 273735.

It is an arithmetic number, because the mean of its divisors is an integer number (888971544).

Almost surely, 212222202202 is an apocalyptic number.

12222202202 is a deficient number, since it is larger than the sum of its proper divisors (9113114854).

12222202202 is a wasteful number, since it uses less digits than its factorization.

12222202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51602 (or 51595 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 12222202202 its reverse (20220222221), we get a palindrome (32442424423).

The spelling of 12222202202 in words is "twelve billion, two hundred twenty-two million, two hundred two thousand, two hundred two".

Divisors: 1 2 7 14 49 98 2543 5086 17801 35602 49043 98086 124607 249214 343301 686602 2403107 4806214 124716349 249432698 873014443 1746028886 6111101101 12222202202