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12121200201 = 311367309097
BaseRepresentation
bin10110100100111101…
…01101011001001001
31011021202011202202210
423102132231121021
5144311011401301
65322435215333
7606242334045
oct132236553111
934252152683
1012121200201
115160113130
122423447549
1311b22bbb16
1482db6b025
154ae211ad6
hex2d27ad649

12121200201 has 8 divisors (see below), whose sum is σ = 17630836704. Its totient is φ = 7346181920.

The previous prime is 12121200197. The next prime is 12121200227. The reversal of 12121200201 is 10200212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12121200201 - 22 = 12121200197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121200281) 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, 183654516 + ... + 183654581.

It is an arithmetic number, because the mean of its divisors is an integer number (2203854588).

Almost surely, 212121200201 is an apocalyptic number.

12121200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12121200201 is a deficient number, since it is larger than the sum of its proper divisors (5509636503).

12121200201 is a wasteful number, since it uses less digits than its factorization.

12121200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367309111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12121200201 its reverse (10200212121), we get a palindrome (22321412322).

The spelling of 12121200201 in words is "twelve billion, one hundred twenty-one million, two hundred thousand, two hundred one".

Divisors: 1 3 11 33 367309097 1101927291 4040400067 12121200201