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12100120020121 = 72397232588177
BaseRepresentation
bin1011000000010100011101…
…0110110000010010011001
31120211202112011120002200211
42300011013112300102121
53041222021211120441
641422415101331121
72356130153104630
oct260050726602231
946752464502624
1012100120020121
1139456a5335891
121435101866aa1
1369a062032443
142db912962517
1515eb42966a81
hexb01475b0499

12100120020121 has 8 divisors (see below), whose sum is σ = 13886569301760. Its totient is φ = 10328135915328.

The previous prime is 12100120020077. The next prime is 12100120020143. The reversal of 12100120020121 is 12102002100121.

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

It is not a de Polignac number, because 12100120020121 - 217 = 12100119889049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100120020151) 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, 3616292416 + ... + 3616295761.

It is an arithmetic number, because the mean of its divisors is an integer number (1735821162720).

Almost surely, 212100120020121 is an apocalyptic number.

It is an amenable number.

12100120020121 is a deficient number, since it is larger than the sum of its proper divisors (1786449281639).

12100120020121 is an equidigital number, since it uses as much as digits as its factorization.

12100120020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232588423.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100120020121 its reverse (12102002100121), we get a palindrome (24202122120242).

The spelling of 12100120020121 in words is "twelve trillion, one hundred billion, one hundred twenty million, twenty thousand, one hundred twenty-one".

Divisors: 1 7 239 1673 7232588177 50628117239 1728588574303 12100120020121