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12112220010 = 23511172159041
BaseRepresentation
bin10110100011111000…
…11100111101101010
31011021010021112021010
423101330130331222
5144301212020020
65321514524350
7606103112532
oct132174347552
934233245233
1012112220010
11515603a190
1224204366b6
1311b04964b7
1482c8b04c2
154ad53ade0
hex2d1f1cf6a

12112220010 has 64 divisors (see below), whose sum is σ = 33577421184. Its totient is φ = 2763571200.

The previous prime is 12112219991. The next prime is 12112220017. The reversal of 12112220010 is 1002221121.

It is not an unprimeable number, because it can be changed into a prime (12112220017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1073911 + ... + 1085130.

It is an arithmetic number, because the mean of its divisors is an integer number (524647206).

Almost surely, 212112220010 is an apocalyptic number.

12112220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112220010 is an abundant number, since it is smaller than the sum of its proper divisors (21465201174).

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

12112220010 is a wasteful number, since it uses less digits than its factorization.

12112220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159079.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12112220010 its reverse (1002221121), we get a palindrome (13114441131).

The spelling of 12112220010 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2805 5610 2159041 4318082 6477123 10795205 12954246 21590410 23749451 32385615 36703697 47498902 64771230 71248353 73407394 110111091 118747255 142496706 183518485 220222182 237494510 356241765 367036970 403740667 550555455 712483530 807481334 1101110910 1211222001 2018703335 2422444002 4037406670 6056110005 12112220010