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12100121212201 = 111233078920913
BaseRepresentation
bin1011000000010100011101…
…1011010011010100101001
31120211202112020210122220221
42300011013123103110221
53041222022012242301
641422415143050041
72356130166201241
oct260050733232451
946752466718827
1012100121212201
1139456a5a7a480
121435102140921
1369a06235bc09
142db912b92b21
1515eb42aeeda1
hexb01476d3529

12100121212201 has 8 divisors (see below), whose sum is σ = 13200240762144. Its totient is φ = 11000019750720.

The previous prime is 12100121212199. The next prime is 12100121212303. The reversal of 12100121212201 is 10221212100121.

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

It is not a de Polignac number, because 12100121212201 - 21 = 12100121212199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100101212201) 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, 3104080 + ... + 5816833.

It is an arithmetic number, because the mean of its divisors is an integer number (1650030095268).

Almost surely, 212100121212201 is an apocalyptic number.

12100121212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100121212201 is a deficient number, since it is larger than the sum of its proper divisors (1100119549943).

12100121212201 is a wasteful number, since it uses less digits than its factorization.

12100121212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044231.

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

Adding to 12100121212201 its reverse (10221212100121), we get a palindrome (22321333312322).

The spelling of 12100121212201 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 11 123307 1356377 8920913 98130043 1100011019291 12100121212201