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12100121212001 = 166722189327127
BaseRepresentation
bin1011000000010100011101…
…1011010011010001100001
31120211202112020210122122112
42300011013123103101201
53041222022012241001
641422415143045105
72356130166200534
oct260050733232141
946752466718575
1012100121212001
1139456a5a7a309
121435102140795
1369a06235bab4
142db912b92a1b
1515eb42aeecbb
hexb01476d3461

12100121212001 has 8 divisors (see below), whose sum is σ = 12107962493760. Its totient is φ = 12092280632208.

The previous prime is 12100121211973. The next prime is 12100121212009. The reversal of 12100121212001 is 10021212100121.

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 12100121212001 - 242 = 7702074700897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100121212009) 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 7 ways as a sum of consecutive naturals, for example, 36825500 + ... + 37152626.

It is an arithmetic number, because the mean of its divisors is an integer number (1513495311720).

Almost surely, 212100121212001 is an apocalyptic number.

It is an amenable number.

12100121212001 is a deficient number, since it is larger than the sum of its proper divisors (7841281759).

12100121212001 is a wasteful number, since it uses less digits than its factorization.

12100121212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350983.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12100121212001 its reverse (10021212100121), we get a palindrome (22121333312122).

The spelling of 12100121212001 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred twelve thousand, one".

Divisors: 1 1667 22189 327127 36989063 545320709 7258621003 12100121212001