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122202211101220 = 22525806123677001
BaseRepresentation
bin11011110010010001101011…
…011000100010101000100100
3121000200102021012111011001201
4123302101223120202220210
5112004130112020214340
61111522530515332244
734511550465532405
oct3362215330425044
9530612235434051
10122202211101220
1135a347373a8278
12118577352b1084
1353258080ca713
14222689352b9ac
15e1db5ec6879a
hex6f246b622a24

122202211101220 has 24 divisors (see below), whose sum is σ = 256625648585208. Its totient is φ = 48880692960000.

The previous prime is 122202211101209. The next prime is 122202211101247. The reversal of 122202211101220 is 22101112202221.

It can be written as a sum of positive squares in 4 ways, for example, as 17328554166564 + 104873656934656 = 4162758^2 + 10240784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677281 + ... + 16999720.

It is an arithmetic number, because the mean of its divisors is an integer number (10692735357717).

Almost surely, 2122202211101220 is an apocalyptic number.

122202211101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202211101220 is an abundant number, since it is smaller than the sum of its proper divisors (134423437483988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122202211101220 is a wasteful number, since it uses less digits than its factorization.

122202211101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23935071 (or 23935069 counting only the distinct ones).

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

Adding to 122202211101220 its reverse (22101112202221), we get a palindrome (144303323303441).

The spelling of 122202211101220 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred eleven million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 258061 516122 1032244 1290305 2580610 5161220 23677001 47354002 94708004 118385005 236770010 473540020 6110110555061 12220221110122 24440442220244 30550552775305 61101105550610 122202211101220