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12110000010221 = 292789149726141
BaseRepresentation
bin1011000000111001010000…
…1111111011001111101101
31120212201000201111121012002
42300032110033323033231
53041402240000311341
641431131320022045
72356630042454531
oct260162417731755
946781021447162
1012110000010221
113949905331663
121436bba601925
1369ac77bc1329
142dc1acba5bc1
1516002001b29b
hexb03943fb3ed

12110000010221 has 8 divisors (see below), whose sum is σ = 12532078085400. Its totient is φ = 11688221392960.

The previous prime is 12110000010181. The next prime is 12110000010253. The reversal of 12110000010221 is 12201000001121.

It can be written as a sum of positive squares in 4 ways, for example, as 2420855928100 + 9689144082121 = 1555910^2 + 3112739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12110000010221 - 214 = 12109999993837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110000010281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74782190 + ... + 74943951.

It is an arithmetic number, because the mean of its divisors is an integer number (1566509760675).

Almost surely, 212110000010221 is an apocalyptic number.

It is an amenable number.

12110000010221 is a deficient number, since it is larger than the sum of its proper divisors (422078075179).

12110000010221 is a wasteful number, since it uses less digits than its factorization.

12110000010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149728959.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12110000010221 its reverse (12201000001121), we get a palindrome (24311000011342).

The spelling of 12110000010221 in words is "twelve trillion, one hundred ten billion, ten thousand, two hundred twenty-one".

Divisors: 1 29 2789 80881 149726141 4342058089 417586207249 12110000010221