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12210110212100 = 2252122101102121
BaseRepresentation
bin1011000110101110001101…
…0010000010100000000100
31121020021102120111202222212
42301223203102002200010
53100022301203241400
641545125221042552
72400102625235363
oct261534322024004
947207376452885
1012210110212100
113988307996a99
121452499256458
136a75404a6c88
14302d887117da
1516292dc73335
hexb1ae3482804

12210110212100 has 18 divisors (see below), whose sum is σ = 26495939160474. Its totient is φ = 4884044084800.

The previous prime is 12210110212067. The next prime is 12210110212117. The reversal of 12210110212100 is 121201101221.

It can be written as a sum of positive squares in 3 ways, for example, as 88028516416 + 12122081695684 = 296696^2 + 3481678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61050550961 + ... + 61050551160.

Almost surely, 212210110212100 is an apocalyptic number.

12210110212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210110212100 is an abundant number, since it is smaller than the sum of its proper divisors (14285828948374).

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

12210110212100 is a wasteful number, since it uses less digits than its factorization.

12210110212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122101102135 (or 122101102128 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12210110212100 its reverse (121201101221), we get a palindrome (12331311313321).

The spelling of 12210110212100 in words is "twelve trillion, two hundred ten billion, one hundred ten million, two hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 122101102121 244202204242 488404408484 610505510605 1221011021210 2442022042420 3052527553025 6105055106050 12210110212100