Search a number
-
+
12120120301 = 17919775787
BaseRepresentation
bin10110100100110101…
…00101101111101101
31011021200010220102111
423102122211233231
5144310222322201
65322400124021
7606230215462
oct132232455755
934250126374
1012120120301
11515a545853
122423006611
1311b2001423
1482d969669
154ae09bb51
hex2d26a5bed

12120120301 has 8 divisors (see below), whose sum is σ = 12847049280. Its totient is φ = 11394744768.

The previous prime is 12120120289. The next prime is 12120120323. The reversal of 12120120301 is 10302102121.

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

It is not a de Polignac number, because 12120120301 - 229 = 11583249389 is a prime.

It is a super-2 number, since 2×121201203012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120120361) 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, 372271 + ... + 403516.

It is an arithmetic number, because the mean of its divisors is an integer number (1605881160).

Almost surely, 212120120301 is an apocalyptic number.

It is an amenable number.

12120120301 is a deficient number, since it is larger than the sum of its proper divisors (726928979).

12120120301 is an equidigital number, since it uses as much as digits as its factorization.

12120120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776723.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12120120301 its reverse (10302102121), we get a palindrome (22422222422).

The spelling of 12120120301 in words is "twelve billion, one hundred twenty million, one hundred twenty thousand, three hundred one".

Divisors: 1 17 919 15623 775787 13188379 712948253 12120120301