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12201224179 is a prime number
BaseRepresentation
bin10110101110011111…
…11110011111110011
31011111022202102000211
423113033332133303
5144442003133204
65334414324551
7611233460104
oct132717763763
934438672024
1012201224179
1151a1300351
1224461b9757
1311c5a5a0a1
1483a63c3ab
154b626c804
hex2d73fe7f3

12201224179 has 2 divisors, whose sum is σ = 12201224180. Its totient is φ = 12201224178.

The previous prime is 12201224171. The next prime is 12201224213. The reversal of 12201224179 is 97142210221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201224179 - 23 = 12201224171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201224179.

It is not a weakly prime, because it can be changed into another prime (12201224171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100612089 + 6100612090.

It is an arithmetic number, because the mean of its divisors is an integer number (6100612090).

Almost surely, 212201224179 is an apocalyptic number.

12201224179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201224179 is an equidigital number, since it uses as much as digits as its factorization.

12201224179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 12201224179 in words is "twelve billion, two hundred one million, two hundred twenty-four thousand, one hundred seventy-nine".