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12100020001 = 292511662319
BaseRepresentation
bin10110100010011011…
…11010011100100001
31011020021022200222221
423101031322130201
5144240101120001
65320401231041
7605564321146
oct132115723441
934207280887
1012100020001
11514a167133
122418332481
1311aaab4464
1482b0163cd
154ac42b1a1
hex2d137a721

12100020001 has 8 divisors (see below), whose sum is σ = 12567139200. Its totient is φ = 11636226000.

The previous prime is 12100019947. The next prime is 12100020029. The reversal of 12100020001 is 10002000121.

12100020001 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 not a de Polignac number, because 12100020001 - 211 = 12100017953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100020071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823881 + ... + 838438.

It is an arithmetic number, because the mean of its divisors is an integer number (1570892400).

Almost surely, 212100020001 is an apocalyptic number.

It is an amenable number.

12100020001 is a deficient number, since it is larger than the sum of its proper divisors (467119199).

12100020001 is a wasteful number, since it uses less digits than its factorization.

12100020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662599.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12100020001 its reverse (10002000121), we get a palindrome (22102020122).

The spelling of 12100020001 in words is "twelve billion, one hundred million, twenty thousand, one".

Divisors: 1 29 251 7279 1662319 48207251 417242069 12100020001