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1222314424121 = 7232217744549
BaseRepresentation
bin10001110010010111100…
…111011111011100111001
311022212000012020022021002
4101302113213133130321
5130011244443032441
62333305024054345
7154211043115100
oct21622747373471
94285005208232
101222314424121
1143142069921a
12178a867643b5
138b357617c6b
1443235d55037
1521bddc26b9b
hex11c979df739

1222314424121 has 12 divisors (see below), whose sum is σ = 1422317585700. Its totient is φ = 1047372671520.

The previous prime is 1222314424103. The next prime is 1222314424181. The reversal of 1222314424121 is 1214244132221.

It can be written as a sum of positive squares in 2 ways, for example, as 728120890000 + 494193534121 = 853300^2 + 702989^2 .

It is a de Polignac number, because none of the positive numbers 2k-1222314424121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222314424181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3714446 + ... + 4030103.

It is an arithmetic number, because the mean of its divisors is an integer number (118526465475).

Almost surely, 21222314424121 is an apocalyptic number.

It is an amenable number.

1222314424121 is a deficient number, since it is larger than the sum of its proper divisors (200003161579).

1222314424121 is an equidigital number, since it uses as much as digits as its factorization.

1222314424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747784 (or 7747777 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 1222314424121 its reverse (1214244132221), we get a palindrome (2436558556342).

The spelling of 1222314424121 in words is "one trillion, two hundred twenty-two billion, three hundred fourteen million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 7 49 3221 22547 157829 7744549 54211843 379482901 24945192329 174616346303 1222314424121