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12002001001013 = 61317719573469
BaseRepresentation
bin1010111010100110111100…
…0000011001101000110101
31120111101021002022111011002
42232221233000121220311
53033120044224013023
641305350530253045
72346054526153502
oct256515700315065
946441232274132
1012002001001013
113908024745551
12141a099a27185
13690a2612775a
142d6c856584a9
1515c2ed92eb28
hexaea6f019a35

12002001001013 has 4 divisors (see below), whose sum is σ = 12002021187660. Its totient is φ = 12001980814368.

The previous prime is 12002001000929. The next prime is 12002001001103. The reversal of 12002001001013 is 31010010020021.

12002001001013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2084653731889 + 9917347269124 = 1443833^2 + 3149182^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002001001013 - 224 = 12001984223797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002001000985 and 12002001001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002001091013) 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, 9173558 + ... + 10399911.

It is an arithmetic number, because the mean of its divisors is an integer number (3000505296915).

Almost surely, 212002001001013 is an apocalyptic number.

It is an amenable number.

12002001001013 is a deficient number, since it is larger than the sum of its proper divisors (20186647).

12002001001013 is an equidigital number, since it uses as much as digits as its factorization.

12002001001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186646.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12002001001013 its reverse (31010010020021), we get a palindrome (43012011021034).

The spelling of 12002001001013 in words is "twelve trillion, two billion, one million, one thousand, thirteen".

Divisors: 1 613177 19573469 12002001001013