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12120102201 = 319320932819
BaseRepresentation
bin10110100100110101…
…00001010100111001
31011021200002222121010
423102122201110321
5144310221232301
65322355504133
7606230111634
oct132232412471
934250088533
1012120102201
11515a533199
122422bb8049
1311b1cc610c
1482d962c1b
154ae0965d6
hex2d26a1539

12120102201 has 8 divisors (see below), whose sum is σ = 16243868320. Its totient is φ = 8038202112.

The previous prime is 12120102167. The next prime is 12120102217. The reversal of 12120102201 is 10220102121.

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

It is not a de Polignac number, because 12120102201 - 210 = 12120101177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12120102251) 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, 10465831 + ... + 10466988.

It is an arithmetic number, because the mean of its divisors is an integer number (2030483540).

Almost surely, 212120102201 is an apocalyptic number.

It is an amenable number.

12120102201 is a deficient number, since it is larger than the sum of its proper divisors (4123766119).

12120102201 is a wasteful number, since it uses less digits than its factorization.

12120102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20933015.

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

Adding to 12120102201 its reverse (10220102121), we get a palindrome (22340204322).

The spelling of 12120102201 in words is "twelve billion, one hundred twenty million, one hundred two thousand, two hundred one".

Divisors: 1 3 193 579 20932819 62798457 4040034067 12120102201