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12120011201 = 88317877681
BaseRepresentation
bin10110100100110100…
…01011000111000001
31011021122221100202202
423102122023013001
5144310210324301
65322353522545
7606226252424
oct132232130701
934248840682
1012120011201
11515a480891
122422b73455
1311b1c9387c
1482d93b9bb
154ae07966b
hex2d268b1c1

12120011201 has 8 divisors (see below), whose sum is σ = 12142107744. Its totient is φ = 12097935360.

The previous prime is 12120011191. The next prime is 12120011203. The reversal of 12120011201 is 10211002121.

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 12120011201 - 222 = 12115816897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120011203) 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, 1574081 + ... + 1581761.

It is an arithmetic number, because the mean of its divisors is an integer number (1517763468).

Almost surely, 212120011201 is an apocalyptic number.

It is an amenable number.

12120011201 is a deficient number, since it is larger than the sum of its proper divisors (22096543).

12120011201 is an equidigital number, since it uses as much as digits as its factorization.

12120011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12120011201 its reverse (10211002121), we get a palindrome (22331013322).

The spelling of 12120011201 in words is "twelve billion, one hundred twenty million, eleven thousand, two hundred one".

Divisors: 1 883 1787 7681 1577921 6782323 13725947 12120011201