Search a number
-
+
12012024131 = 19362238467
BaseRepresentation
bin10110010111111100…
…01111000101000011
31011000010202001100122
423023332033011003
5144100034233011
65303535210455
7603445343342
oct131376170503
934003661318
1012012024131
115104524578
1223b2976a2b
1311957b47b3
1481d46bb59
154a48483db
hex2cbf8f143

12012024131 has 4 divisors (see below), whose sum is σ = 12074262792. Its totient is φ = 11949785472.

The previous prime is 12012024121. The next prime is 12012024149. The reversal of 12012024131 is 13142021021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12012024131 is a prime.

It is a super-2 number, since 2×120120241312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012024121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31119041 + ... + 31119426.

It is an arithmetic number, because the mean of its divisors is an integer number (3018565698).

Almost surely, 212012024131 is an apocalyptic number.

12012024131 is a deficient number, since it is larger than the sum of its proper divisors (62238661).

12012024131 is an equidigital number, since it uses as much as digits as its factorization.

12012024131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62238660.

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

Adding to 12012024131 its reverse (13142021021), we get a palindrome (25154045152).

The spelling of 12012024131 in words is "twelve billion, twelve million, twenty-four thousand, one hundred thirty-one".

Divisors: 1 193 62238467 12012024131