Search a number
-
+
12012111110 = 251201211111
BaseRepresentation
bin10110010111111101…
…00100010100000110
31011000010220110200002
423023332210110012
5144100100023420
65303541121302
7603446155046
oct131376442406
934003813602
1012012111110
11510458395a
1223b29b9232
13119581526c
1481d491726
154a4864075
hex2cbfa4506

12012111110 has 8 divisors (see below), whose sum is σ = 21621800016. Its totient is φ = 4804844440.

The previous prime is 12012111101. The next prime is 12012111119. The reversal of 12012111110 is 1111121021.

12012111110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12012111101) and next prime (12012111119).

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

It is a junction number, because it is equal to n+sod(n) for n = 12012111091 and 12012111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012111119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600605546 + ... + 600605565.

It is an arithmetic number, because the mean of its divisors is an integer number (2702725002).

Almost surely, 212012111110 is an apocalyptic number.

12012111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012111110 is a deficient number, since it is larger than the sum of its proper divisors (9609688906).

12012111110 is a wasteful number, since it uses less digits than its factorization.

12012111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201211118.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12012111110 its reverse (1111121021), we get a palindrome (13123232131).

The spelling of 12012111110 in words is "twelve billion, twelve million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 1201211111 2402422222 6006055555 12012111110