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122221201222002 = 23191885956849027
BaseRepresentation
bin11011110010100011010111…
…010010000110100101110010
3121000202020021122202020110110
4123302203113102012211302
5112004433010003101002
61111535351131442150
734513122206101131
oct3362432722064562
9530666248666413
10122221201222002
1135a417a1876073
121185b354bb6356
1353275434b958c
142227775653918
15e1e3c2000e6c
hex6f28d7486972

122221201222002 has 32 divisors (see below), whose sum is σ = 257321440339200. Its totient is φ = 38594121563088.

The previous prime is 122221201221997. The next prime is 122221201222019. The reversal of 122221201222002 is 200222102122221.

It is a self number, because there is not a number n which added to its sum of digits gives 122221201222002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26274588 + ... + 30574439.

It is an arithmetic number, because the mean of its divisors is an integer number (8041295010600).

Almost surely, 2122221201222002 is an apocalyptic number.

122221201222002 is an abundant number, since it is smaller than the sum of its proper divisors (135100239117198).

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

122221201222002 is a wasteful number, since it uses less digits than its factorization.

122221201222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56867910.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122221201222002 its reverse (200222102122221), we get a palindrome (322443303344223).

The spelling of 122221201222002 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two".

Divisors: 1 2 3 6 19 38 57 114 18859 37718 56577 113154 358321 716642 1074963 2149926 56849027 113698054 170547081 341094162 1080131513 2160263026 3240394539 6480789078 1072115800193 2144231600386 3216347400579 6432694801158 20370200203667 40740400407334 61110600611001 122221201222002