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121201202202212 = 22114316391120133
BaseRepresentation
bin11011100011101101011010…
…100110101000011001100100
3120220010201111011122100022202
4123203231122212220121210
5111341230030230432322
61105435021424514032
734346332530350006
oct3343553246503144
9526121434570282
10121201202202212
1135689160a30650
121171573147b918
1352822bbaca322
1421d02530dc376
15e02ac4b64292
hex6e3b5a9a8664

121201202202212 has 24 divisors (see below), whose sum is σ = 231920967422592. Its totient is φ = 54963633135200.

The previous prime is 121201202202191. The next prime is 121201202202229. The reversal of 121201202202212 is 212202202102121.

121201202202212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1212012022022122 (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, 3195541103 + ... + 3195579030.

It is an arithmetic number, because the mean of its divisors is an integer number (9663373642608).

Almost surely, 2121201202202212 is an apocalyptic number.

It is an amenable number.

121201202202212 is a deficient number, since it is larger than the sum of its proper divisors (110719765220380).

121201202202212 is a wasteful number, since it uses less digits than its factorization.

121201202202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391120579 (or 6391120577 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121201202202212 its reverse (212202202102121), we get a palindrome (333403404304333).

The spelling of 121201202202212 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred two million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 431 862 1724 4741 9482 18964 6391120133 12782240266 25564480532 70302321463 140604642926 281209285852 2754572777323 5509145554646 11018291109292 30300300550553 60600601101106 121201202202212