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122210120220 = 22352036835337
BaseRepresentation
bin111000111010001001…
…0100111001000011100
3102200110000220100110220
41301310102213020130
54000241242321340
6132050443001340
711554323611406
oct1616422471034
9380400810426
10122210120220
1147913477161
121b827b09250
13b6a8050206
145cb4a99b76
1532a4020ed0
hex1c744a721c

122210120220 has 24 divisors (see below), whose sum is σ = 342188336784. Its totient is φ = 32589365376.

The previous prime is 122210120147. The next prime is 122210120231. The reversal of 122210120220 is 22021012221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122210120220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018417609 + ... + 1018417728.

It is an arithmetic number, because the mean of its divisors is an integer number (14257847366).

Almost surely, 2122210120220 is an apocalyptic number.

122210120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210120220 is an abundant number, since it is smaller than the sum of its proper divisors (219978216564).

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

122210120220 is a wasteful number, since it uses less digits than its factorization.

122210120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036835349 (or 2036835347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122210120220 its reverse (22021012221), we get a palindrome (144231132441).

The spelling of 122210120220 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2036835337 4073670674 6110506011 8147341348 10184176685 12221012022 20368353370 24442024044 30552530055 40736706740 61105060110 122210120220