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1212012200202 = 231722075383993
BaseRepresentation
bin10001101000110001100…
…011101000000100001010
311021212102012210002212020
4101220301203220010022
5124324200110401302
62324442443425310
7153364535501616
oct21506143500412
94255365702766
101212012200202
11428014320981
12176a90525236
138a3a513168b
1442939a00346
15217d956aebc
hex11a318e810a

1212012200202 has 32 divisors (see below), whose sum is σ = 2567777490432. Its totient is φ = 380066763264.

The previous prime is 1212012200149. The next prime is 1212012200209. The reversal of 1212012200202 is 2020022102121.

It is not an unprimeable number, because it can be changed into a prime (1212012200209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2466883 + ... + 2917110.

It is an arithmetic number, because the mean of its divisors is an integer number (80243046576).

Almost surely, 21212012200202 is an apocalyptic number.

1212012200202 is an abundant number, since it is smaller than the sum of its proper divisors (1355765290230).

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

1212012200202 is a wasteful number, since it uses less digits than its factorization.

1212012200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386222.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212012200202 its reverse (2020022102121), we get a palindrome (3232034302323).

The spelling of 1212012200202 in words is "one trillion, two hundred twelve billion, twelve million, two hundred thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 2207 4414 6621 13242 37519 75038 112557 225114 5383993 10767986 16151979 32303958 91527881 183055762 274583643 549167286 11882472551 23764945102 35647417653 71294835306 202002033367 404004066734 606006100101 1212012200202