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12100212221110 = 251393078555547
BaseRepresentation
bin1011000000010100110011…
…0110011110010010110110
31120211202202121001101200021
42300011030312132102312
53041222213312033420
641422432153435354
72356132352565316
oct260051466362266
946752677041607
1012100212221110
11394574238a852
12143512870bb5a
1369a078175140
142db920cc3446
1515eb4aaca7aa
hexb014cd9e4b6

12100212221110 has 16 divisors (see below), whose sum is σ = 23455795998096. Its totient is φ = 4467770666208.

The previous prime is 12100212221099. The next prime is 12100212221117. The reversal of 12100212221110 is 1112221200121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100212221117) 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, 46539277644 + ... + 46539277903.

It is an arithmetic number, because the mean of its divisors is an integer number (1465987249881).

Almost surely, 212100212221110 is an apocalyptic number.

12100212221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100212221110 is a deficient number, since it is larger than the sum of its proper divisors (11355583776986).

12100212221110 is a wasteful number, since it uses less digits than its factorization.

12100212221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93078555567.

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

Adding to 12100212221110 its reverse (1112221200121), we get a palindrome (13212433421231).

The spelling of 12100212221110 in words is "twelve trillion, one hundred billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 93078555547 186157111094 465392777735 930785555470 1210021222111 2420042444222 6050106110555 12100212221110