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1320212130203 = 6991188844533
BaseRepresentation
bin10011001101100010110…
…001100110100110011011
311200012200212001001102002
4103031202301212212123
5133112243301131303
62450255211431215
7164245041643601
oct23154261464633
94605625031362
101320212130203
1146999836982a
12193a4845550b
13976597156b5
1447c81acd871
152451d5e4788
hex13362c6699b

1320212130203 has 4 divisors (see below), whose sum is σ = 1320400981728. Its totient is φ = 1320023278680.

The previous prime is 1320212130179. The next prime is 1320212130253. The reversal of 1320212130203 is 3020312120231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1320212130203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320212130253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94415276 + ... + 94429257.

It is an arithmetic number, because the mean of its divisors is an integer number (330100245432).

Almost surely, 21320212130203 is an apocalyptic number.

1320212130203 is a deficient number, since it is larger than the sum of its proper divisors (188851525).

1320212130203 is an equidigital number, since it uses as much as digits as its factorization.

1320212130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188851524.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1320212130203 its reverse (3020312120231), we get a palindrome (4340524250434).

The spelling of 1320212130203 in words is "one trillion, three hundred twenty billion, two hundred twelve million, one hundred thirty thousand, two hundred three".

Divisors: 1 6991 188844533 1320212130203