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12220202212111 = 23955615559937
BaseRepresentation
bin1011000111010011110011…
…0011111101101100001111
31121021020110220101111102001
42301310330303331230033
53100203433231241421
641553514451413131
72400611000643055
oct261647463755417
947236426344361
1012220202212111
113991616628a73
121454434bb41a7
136a848b26680a
14303664b821d5
15162d1ec55691
hexb1d3ccfdb0f

12220202212111 has 8 divisors (see below), whose sum is σ = 12751651083744. Its totient is φ = 11688764651520.

The previous prime is 12220202212039. The next prime is 12220202212123. The reversal of 12220202212111 is 11121220202221.

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 12220202212111 - 29 = 12220202211599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220202212711) 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, 582066 + ... + 4977871.

It is an arithmetic number, because the mean of its divisors is an integer number (1593956385468).

Almost surely, 212220202212111 is an apocalyptic number.

12220202212111 is a deficient number, since it is larger than the sum of its proper divisors (531448871633).

12220202212111 is an equidigital number, since it uses as much as digits as its factorization.

12220202212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655521.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220202212111 its reverse (11121220202221), we get a palindrome (23341422414332).

The spelling of 12220202212111 in words is "twelve trillion, two hundred twenty billion, two hundred two million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 23 95561 2197903 5559937 127878551 531313139657 12220202212111