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121210222220202 = 2343617701755129
BaseRepresentation
bin11011100011110101110100…
…001111010001001110101010
3120220011120202210101201212010
4123203311310033101032222
5111341402013342021302
61105443112443100350
734350102205263363
oct3343656417211652
9526146683351763
10121210222220202
1135691a6a554675
121171742a2116b6
1352830c8768c8b
1421d086b044b6a
15e02e5199716c
hex6e3d743d13aa

121210222220202 has 32 divisors (see below), whose sum is σ = 252124655935680. Its totient is φ = 38816845845120.

The previous prime is 121210222220167. The next prime is 121210222220239. The reversal of 121210222220202 is 202022222012121.

121210222220202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3850861827 + ... + 3850893302.

It is an arithmetic number, because the mean of its divisors is an integer number (7878895497990).

Almost surely, 2121210222220202 is an apocalyptic number.

121210222220202 is an abundant number, since it is smaller than the sum of its proper divisors (130914433715478).

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

121210222220202 is a wasteful number, since it uses less digits than its factorization.

121210222220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701755238.

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

Adding to 121210222220202 its reverse (202022222012121), we get a palindrome (323232444232323).

The spelling of 121210222220202 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 43 61 86 122 129 183 258 366 2623 5246 7869 15738 7701755129 15403510258 23105265387 46210530774 331175470547 469807062869 662350941094 939614125738 993526411641 1409421188607 1987052823282 2818842377214 20201703703367 40403407406734 60605111110101 121210222220202