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12222212122101 = 3187319751110129
BaseRepresentation
bin1011000111011011010010…
…0111001010010111110101
31121021102122222101111120210
42301312310213022113311
53100222042300401401
641554450131020033
72401011544621002
oct261666447122765
947242588344523
1012222212122101
113992458124103
1214548b613a619
136a871b7a0777
143037b5a9a8a9
15162ddb4244d6
hexb1db49ca5f5

12222212122101 has 16 divisors (see below), whose sum is σ = 16305957048960. Its totient is φ = 8143304832000.

The previous prime is 12222212122091. The next prime is 12222212122121. The reversal of 12222212122101 is 10122121222221.

It is not a de Polignac number, because 12222212122101 - 26 = 12222212122037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222212122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110925805 + ... + 111035933.

It is an arithmetic number, because the mean of its divisors is an integer number (1019122315560).

Almost surely, 212222212122101 is an apocalyptic number.

It is an amenable number.

12222212122101 is a deficient number, since it is larger than the sum of its proper divisors (4083744926859).

12222212122101 is a wasteful number, since it uses less digits than its factorization.

12222212122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131756.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12222212122101 its reverse (10122121222221), we get a palindrome (22344333344322).

The spelling of 12222212122101 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 3 1873 5619 19751 59253 110129 330387 36993623 110980869 206271617 618814851 2175157879 6525473637 4074070707367 12222212122101