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12220122012211 = 27782241536423
BaseRepresentation
bin1011000111010011100000…
…0010000001101000110011
31121021020021022110220211101
42301310320002001220303
53100203302213342321
641553502504425231
72400606005155111
oct261647002015063
947236238426741
1012220122012211
113991585330663
121454412178217
136a8477766459
14303658266ab1
15162d17bb2791
hexb1d38081a33

12220122012211 has 8 divisors (see below), whose sum is σ = 12264409965024. Its totient is φ = 12175835297280.

The previous prime is 12220122012191. The next prime is 12220122012223. The reversal of 12220122012211 is 11221022102221.

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 12220122012211 - 211 = 12220122010163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220122016211) 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, 22512546 + ... + 23048968.

It is an arithmetic number, because the mean of its divisors is an integer number (1533051245628).

Almost surely, 212220122012211 is an apocalyptic number.

12220122012211 is a deficient number, since it is larger than the sum of its proper divisors (44287952813).

12220122012211 is an equidigital number, since it uses as much as digits as its factorization.

12220122012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618941.

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

Adding to 12220122012211 its reverse (11221022102221), we get a palindrome (23441144114432).

The spelling of 12220122012211 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, twelve thousand, two hundred eleven".

Divisors: 1 277 82241 536423 22780757 148589171 44115963943 12220122012211