Search a number
-
+
12320301211 = 61201972151
BaseRepresentation
bin10110111100101100…
…01110000010011011
31011210121211011000021
423132112032002123
5200212444114321
65354310451311
7614210555341
oct133626160233
934717734007
1012320301211
115252541719
12247a063b37
13121461cb7a
1484c397991
154c193e941
hex2de58e09b

12320301211 has 4 divisors (see below), whose sum is σ = 12522273424. Its totient is φ = 12118329000.

The previous prime is 12320301179. The next prime is 12320301241. The reversal of 12320301211 is 11210302321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12320301211 - 25 = 12320301179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320301241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100986015 + ... + 100986136.

It is an arithmetic number, because the mean of its divisors is an integer number (3130568356).

Almost surely, 212320301211 is an apocalyptic number.

12320301211 is a deficient number, since it is larger than the sum of its proper divisors (201972213).

12320301211 is an equidigital number, since it uses as much as digits as its factorization.

12320301211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201972212.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12320301211 its reverse (11210302321), we get a palindrome (23530603532).

The spelling of 12320301211 in words is "twelve billion, three hundred twenty million, three hundred one thousand, two hundred eleven".

Divisors: 1 61 201972151 12320301211