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12311322010121 = 71227763871813
BaseRepresentation
bin1011001100100111001111…
…1110011010001000001001
31121120221200012100211121202
42303021303332122020021
53103202041413310441
642103424313113545
72410315015310621
oct263116376321011
947527605324552
1012311322010121
113a17225356962
12146a0249b88b5
136b3c5007bc64
14307c2a693881
151653a457919b
hexb3273f9a209

12311322010121 has 8 divisors (see below), whose sum is σ = 12539719698624. Its totient is φ = 12084452065840.

The previous prime is 12311322010087. The next prime is 12311322010129. The reversal of 12311322010121 is 12101022311321.

12311322010121 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-12311322010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311322010093 and 12311322010102.

It is not an unprimeable number, because it can be changed into a prime (12311322010129) 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, 381919790 + ... + 381952023.

It is an arithmetic number, because the mean of its divisors is an integer number (1567464962328).

Almost surely, 212311322010121 is an apocalyptic number.

It is an amenable number.

12311322010121 is a deficient number, since it is larger than the sum of its proper divisors (228397688503).

12311322010121 is an equidigital number, since it uses as much as digits as its factorization.

12311322010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763872111.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12311322010121 its reverse (12101022311321), we get a palindrome (24412344321442).

The spelling of 12311322010121 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-two million, ten thousand, one hundred twenty-one".

Divisors: 1 71 227 16117 763871813 54234898723 173398901551 12311322010121