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12001320101 = 439139919541
BaseRepresentation
bin10110010110101010…
…11001110010100101
31010222101121020012002
423023111121302211
5144034314220401
65302513535045
7603255352301
oct131325316245
933871536162
1012001320101
1150a9483471
1223ab274485
131193507654
1481bc82d01
154a3931a6b
hex2cb559ca5

12001320101 has 8 divisors (see below), whose sum is σ = 12037872000. Its totient is φ = 11964810960.

The previous prime is 12001320083. The next prime is 12001320103. The reversal of 12001320101 is 10102310021.

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-12001320101 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 (12001320103) 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, 604391 + ... + 623931.

It is an arithmetic number, because the mean of its divisors is an integer number (1504734000).

Almost surely, 212001320101 is an apocalyptic number.

It is an amenable number.

12001320101 is a deficient number, since it is larger than the sum of its proper divisors (36551899).

12001320101 is a wasteful number, since it uses less digits than its factorization.

12001320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379.

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

Adding to 12001320101 its reverse (10102310021), we get a palindrome (22103630122).

The spelling of 12001320101 in words is "twelve billion, one million, three hundred twenty thousand, one hundred one".

Divisors: 1 439 1399 19541 614161 8578499 27337859 12001320101