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12112121010002 = 2131971345330473
BaseRepresentation
bin1011000001000001001010…
…1010111001011101010010
31120212220111112112112220112
42300100102222321131102
53041421110434310002
641432122004241322
72360033435613416
oct260202252713522
946786445475815
1012112121010002
11394a7a3603142
1214374b09a0242
1369b2254526a0
142dc33075ad46
151600e6330852
hexb0412ab9752

12112121010002 has 32 divisors (see below), whose sum is σ = 20885587067520. Its totient is φ = 5221396736640.

The previous prime is 12112121010001. The next prime is 12112121010079. The reversal of 12112121010002 is 20001012121121.

It is not an unprimeable number, because it can be changed into a prime (12112121010001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 172630163 + ... + 172700310.

It is an arithmetic number, because the mean of its divisors is an integer number (652674595860).

Almost surely, 212112121010002 is an apocalyptic number.

12112121010002 is a deficient number, since it is larger than the sum of its proper divisors (8773466057518).

12112121010002 is a wasteful number, since it uses less digits than its factorization.

12112121010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345330578.

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

Adding to 12112121010002 its reverse (20001012121121), we get a palindrome (32113133131123).

The spelling of 12112121010002 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-one million, ten thousand, two".

Divisors: 1 2 13 19 26 38 71 142 247 494 923 1349 1846 2698 17537 35074 345330473 690660946 4489296149 6561278987 8978592298 13122557974 24518463583 49036927166 85296626831 170593253662 318740026579 465850808077 637480053158 931701616154 6056060505001 12112121010002