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12122110122110 = 253539342529249
BaseRepresentation
bin1011000001100110011000…
…0100010101100001111110
31120220212021200211000122122
42300121212010111201332
53042102040142401420
641440453121442542
72360536121640302
oct260314604254176
946825250730578
1012122110122110
113953a5a16099a
12143941a1a0452
1369c157aca101
142dc9db287d02
151604cd28c725
hexb066611587e

12122110122110 has 16 divisors (see below), whose sum is σ = 21825963810000. Its totient is φ = 4847473917696.

The previous prime is 12122110122097. The next prime is 12122110122113. The reversal of 12122110122110 is 1122101122121.

It is a super-2 number, since 2×121221101221102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122110122113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171229235 + ... + 171300014.

It is an arithmetic number, because the mean of its divisors is an integer number (1364122738125).

Almost surely, 212122110122110 is an apocalyptic number.

12122110122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122110122110 is a deficient number, since it is larger than the sum of its proper divisors (9703853687890).

12122110122110 is a wasteful number, since it uses less digits than its factorization.

12122110122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342532795.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122110122110 its reverse (1122101122121), we get a palindrome (13244211244231).

The spelling of 12122110122110 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 3539 7078 17695 35390 342529249 685058498 1712646245 3425292490 1212211012211 2424422024422 6061055061055 12122110122110