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122012211022 = 21310159461933
BaseRepresentation
bin111000110100001111…
…1101001011101001110
3102122221020111112002121
41301220133221131032
53444340111223042
6132015053043154
711546401452562
oct1615037513516
9378836445077
10122012211022
1147821792039
121b7917864ba
13b676048790
145c9669d6a2
15329197b367
hex1c687e974e

122012211022 has 16 divisors (see below), whose sum is σ = 197116476480. Its totient is φ = 56307663072.

The previous prime is 122012210987. The next prime is 122012211071. The reversal of 122012211022 is 220112210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122012210987 and 122012211005.

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, 33168 + ... + 495100.

It is an arithmetic number, because the mean of its divisors is an integer number (12319779780).

Almost surely, 2122012211022 is an apocalyptic number.

122012211022 is a deficient number, since it is larger than the sum of its proper divisors (75104265458).

122012211022 is a wasteful number, since it uses less digits than its factorization.

122012211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472107.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122012211022 its reverse (220112210221), we get a palindrome (342124421243).

The spelling of 122012211022 in words is "one hundred twenty-two billion, twelve million, two hundred eleven thousand, twenty-two".

Divisors: 1 2 13 26 10159 20318 132067 264134 461933 923866 6005129 12010258 4692777347 9385554694 61006105511 122012211022