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12110212010221 = 1343239273133191
BaseRepresentation
bin1011000000111010000011…
…1000101001000011101101
31120212201120111102022111221
42300032200320221003231
53041403203233311341
641431204331543341
72356635225441403
oct260164070510355
946781514368457
1012110212010221
113949a03a70376
1214370595bab51
1369acacaba610
142dc1ccdcd473
15160033945ed1
hexb03a0e290ed

12110212010221 has 32 divisors (see below), whose sum is σ = 13406211624960. Its totient is φ = 10868694782400.

The previous prime is 12110212010021. The next prime is 12110212010401. The reversal of 12110212010221 is 12201021201121.

It is not a de Polignac number, because 12110212010221 - 227 = 12110077792493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110212010195 and 12110212010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110212010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364847736 + ... + 364880926.

It is an arithmetic number, because the mean of its divisors is an integer number (418944113280).

Almost surely, 212110212010221 is an apocalyptic number.

It is an amenable number.

12110212010221 is a deficient number, since it is larger than the sum of its proper divisors (1295999614739).

12110212010221 is a wasteful number, since it uses less digits than its factorization.

12110212010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36217.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12110212010221 its reverse (12201021201121), we get a palindrome (24311233211342).

The spelling of 12110212010221 in words is "twelve trillion, one hundred ten billion, two hundred twelve million, ten thousand, two hundred twenty-one".

Divisors: 1 13 43 239 559 2731 3107 10277 33191 35503 117433 133601 431483 652709 1427213 1526629 7932649 8485217 18553769 28066487 90644621 103124437 341103907 364864331 1178380073 3897718703 4434350791 21664064419 50670343139 281632837447 931554770017 12110212010221