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12110201021212 = 227491880870019
BaseRepresentation
bin1011000000111010000000…
…1110101110001100011100
31120212201112201202000102121
42300032200032232030130
53041403142430134322
641431203300232324
72356635033152440
oct260164016561434
946781481660377
1012110201021212
1139499a8845148
12143705599b6a4
1369acaa740848
142dc1cb76c820
151600329c4ec7
hexb03a03ae31c

12110201021212 has 24 divisors (see below), whose sum is σ = 24269730791040. Its totient is φ = 5179515705840.

The previous prime is 12110201021203. The next prime is 12110201021249. The reversal of 12110201021212 is 21212010201121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440421262 + ... + 440448757.

It is an arithmetic number, because the mean of its divisors is an integer number (1011238782960).

Almost surely, 212110201021212 is an apocalyptic number.

It is an amenable number.

12110201021212 is an abundant number, since it is smaller than the sum of its proper divisors (12159529769828).

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

12110201021212 is a wasteful number, since it uses less digits than its factorization.

12110201021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880870521 (or 880870519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12110201021212 its reverse (21212010201121), we get a palindrome (33322211222333).

The spelling of 12110201021212 in words is "twelve trillion, one hundred ten billion, two hundred one million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 491 982 1964 3437 6874 13748 880870019 1761740038 3523480076 6166090133 12332180266 24664360532 432507179329 865014358658 1730028717316 3027550255303 6055100510606 12110201021212