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12212142043 = 411392142857
BaseRepresentation
bin10110101111110011…
…00111111111011011
31011112002022002112011
423113321213333123
5200002302021133
65335444330351
7611425331443
oct132771477733
934462262464
1012212142043
1151a7488082
1224499a39b7
1311c80b066a
1483bc81123
154b71c76cd
hex2d7e67fdb

12212142043 has 8 divisors (see below), whose sum is σ = 12600005040. Its totient is φ = 11828565120.

The previous prime is 12212142017. The next prime is 12212142053. The reversal of 12212142043 is 34024121221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12212142043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212142013) 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, 1065730 + ... + 1077127.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000630).

Almost surely, 212212142043 is an apocalyptic number.

12212142043 is a deficient number, since it is larger than the sum of its proper divisors (387862997).

12212142043 is a wasteful number, since it uses less digits than its factorization.

12212142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143037.

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

Adding to 12212142043 its reverse (34024121221), we get a palindrome (46236263264).

The spelling of 12212142043 in words is "twelve billion, two hundred twelve million, one hundred forty-two thousand, forty-three".

Divisors: 1 41 139 5699 2142857 87857137 297857123 12212142043