Base | Representation |
---|---|
bin | 1011000110001100010001… |
… | …0101111101100001100001 |
3 | 1121012101220202022121221211 |
4 | 2301203010111331201201 |
5 | 3044400122302241001 |
6 | 41541021303350121 |
7 | 2366331120065650 |
oct | 261430425754141 |
9 | 47171822277854 |
10 | 12201001212001 |
11 | 3984463117438 |
12 | 1450776752341 |
13 | 6a671b2817a4 |
14 | 302762a45197 |
15 | 162599215351 |
hex | b18c457d861 |
12201001212001 has 8 divisors (see below), whose sum is σ = 13995837823680. Its totient is φ = 10419123709968.
The previous prime is 12201001211983. The next prime is 12201001212047. The reversal of 12201001212001 is 10021210010221.
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 12201001212001 - 239 = 11651245398113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12201001212901) 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, 3239775391 + ... + 3239779156.
It is an arithmetic number, because the mean of its divisors is an integer number (1749479727960).
Almost surely, 212201001212001 is an apocalyptic number.
It is an amenable number.
12201001212001 is a deficient number, since it is larger than the sum of its proper divisors (1794836611679).
12201001212001 is an equidigital number, since it uses as much as digits as its factorization.
12201001212001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6479554823.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12201001212001 its reverse (10021210010221), we get a palindrome (22222211222222).
The spelling of 12201001212001 in words is "twelve trillion, two hundred one billion, one million, two hundred twelve thousand, one".
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