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122120210022 = 23171197256961
BaseRepresentation
bin111000110111011101…
…1101000011001100110
3102200012202201102212120
41301232323220121212
54000100233210042
6132033511530410
711552152441506
oct1615673503146
9380182642776
10122120210022
1147877747308
121b801989a06
13b692530105
145ca6b73a06
15329b1b0dec
hex1c6eee8666

122120210022 has 16 divisors (see below), whose sum is σ = 258607503792. Its totient is φ = 38312222720.

The previous prime is 122120209963. The next prime is 122120210053. The reversal of 122120210022 is 220012021221.

It is a junction number, because it is equal to n+sod(n) for n = 122120209983 and 122120210010.

It is a congruent number.

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, 598628379 + ... + 598628582.

It is an arithmetic number, because the mean of its divisors is an integer number (16162968987).

Almost surely, 2122120210022 is an apocalyptic number.

122120210022 is an abundant number, since it is smaller than the sum of its proper divisors (136487293770).

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

122120210022 is a wasteful number, since it uses less digits than its factorization.

122120210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197256983.

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

Adding to 122120210022 its reverse (220012021221), we get a palindrome (342132231243).

The spelling of 122120210022 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred ten thousand, twenty-two".

Divisors: 1 2 3 6 17 34 51 102 1197256961 2394513922 3591770883 7183541766 20353368337 40706736674 61060105011 122120210022