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12120144043 = 73474989767
BaseRepresentation
bin10110100100110101…
…01011100010101011
31011021200012002222211
423102122223202223
5144310224102133
65322400425551
7606230344630
oct132232534253
934250162884
1012120144043
11515a561677
1224230182b7
1311b200c187
1482d974187
154ae0a3bcd
hex2d26ab8ab

12120144043 has 8 divisors (see below), whose sum is σ = 13891514112. Its totient is φ = 10358754216.

The previous prime is 12120144041. The next prime is 12120144079. The reversal of 12120144043 is 34044102121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12120144043 - 21 = 12120144041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120144041) 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, 2492455 + ... + 2497312.

It is an arithmetic number, because the mean of its divisors is an integer number (1736439264).

Almost surely, 212120144043 is an apocalyptic number.

12120144043 is a deficient number, since it is larger than the sum of its proper divisors (1771370069).

12120144043 is an equidigital number, since it uses as much as digits as its factorization.

12120144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990121.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12120144043 its reverse (34044102121), we get a palindrome (46164246164).

The spelling of 12120144043 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, forty-three".

Divisors: 1 7 347 2429 4989767 34928369 1731449149 12120144043