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12012012120101 = 72398037155881
BaseRepresentation
bin1010111011001100001110…
…1101110010100000100101
31120112100002210000000210112
42232303003231302200211
53033301100100320401
641314124151302405
72346560600235560
oct256630355624045
946470083000715
1012012012120101
1139112a1764494
12142001267aa05
13691960208c66
142d75550734d7
1515c6d77873bb
hexaecc3b72825

12012012120101 has 8 divisors (see below), whose sum is σ = 13728073017024. Its totient is φ = 10295966014560.

The previous prime is 12012012120083. The next prime is 12012012120127. The reversal of 12012012120101 is 10102121021021.

12012012120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12012012120101 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 (12012012120151) 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, 1899320 + ... + 5256561.

It is an arithmetic number, because the mean of its divisors is an integer number (1716009127128).

Almost surely, 212012012120101 is an apocalyptic number.

It is an amenable number.

12012012120101 is a deficient number, since it is larger than the sum of its proper divisors (1716060896923).

12012012120101 is an equidigital number, since it uses as much as digits as its factorization.

12012012120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395691.

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

Adding to 12012012120101 its reverse (10102121021021), we get a palindrome (22114133141122).

The spelling of 12012012120101 in words is "twelve trillion, twelve billion, twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 7 239803 1678621 7155881 50091167 1716001731443 12012012120101