Search a number
-
+
12012110243 = 72435701049
BaseRepresentation
bin10110010111111101…
…00100000110100011
31011000010220102110222
423023332210012203
5144100100011433
65303541113255
7603446152400
oct131376440643
934003812428
1012012110243
115104583241
1223b29b882b
131195814a53
1481d4912a7
154a4863b98
hex2cbfa41a3

12012110243 has 12 divisors (see below), whose sum is σ = 14298233400. Its totient is φ = 10056648672.

The previous prime is 12012110207. The next prime is 12012110261. The reversal of 12012110243 is 34201121021.

It is not a de Polignac number, because 12012110243 - 28 = 12012109987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012110443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2848418 + ... + 2852631.

It is an arithmetic number, because the mean of its divisors is an integer number (1191519450).

Almost surely, 212012110243 is an apocalyptic number.

12012110243 is a deficient number, since it is larger than the sum of its proper divisors (2286123157).

12012110243 is an equidigital number, since it uses as much as digits as its factorization.

12012110243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701106 (or 5701099 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012110243 its reverse (34201121021), we get a palindrome (46213231264).

The spelling of 12012110243 in words is "twelve billion, twelve million, one hundred ten thousand, two hundred forty-three".

Divisors: 1 7 43 49 301 2107 5701049 39907343 245145107 279351401 1716015749 12012110243