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121222202221202 = 2712813037998151
BaseRepresentation
bin11011100100000000111110…
…010011010110001010010010
3120220012201200200212211201212
4123210000332103112022102
5111342101032232034302
61105452413320100122
734351005114514115
oct3344007623261222
9526181620784655
10121222202221202
1135697057996745
1211719812304642
13528428771a974
1421d128613857c
15e034035b7052
hex6e403e4d6292

121222202221202 has 16 divisors (see below), whose sum is σ = 185050543434624. Its totient is φ = 59544763740000.

The previous prime is 121222202221199. The next prime is 121222202221231. The reversal of 121222202221202 is 202122202222121.

It is a super-2 number, since 2×1212222022212022 (a number of 29 digits) contains 22 as substring.

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, 1518959174 + ... + 1519038977.

It is an arithmetic number, because the mean of its divisors is an integer number (11565658964664).

Almost surely, 2121222202221202 is an apocalyptic number.

121222202221202 is a deficient number, since it is larger than the sum of its proper divisors (63828341213422).

121222202221202 is a wasteful number, since it uses less digits than its factorization.

121222202221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037998505.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 121222202221202 its reverse (202122202222121), we get a palindrome (323344404443323).

The spelling of 121222202221202 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 71 142 281 562 19951 39902 3037998151 6075996302 215697868721 431395737442 853677480431 1707354960862 60611101110601 121222202221202