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12222001022110 = 25112192531015227
BaseRepresentation
bin1011000111011010100000…
…0001111000010010011110
31121021102010021011111211121
42301312220001320102132
53100221124230201420
641554413150241154
72401003402403065
oct261665001702236
947242107144747
1012222001022110
113992359a4a600
1214548574b61ba
136a86b6b2b029
14303795a291dc
15162dc7b262aa
hexb1da807849e

12222001022110 has 288 divisors, whose sum is σ = 26265074211936. Its totient is φ = 4089324096000.

The previous prime is 12222001022069. The next prime is 12222001022111. The reversal of 12222001022110 is 1122010022221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222001022111) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2338241317 + ... + 2338246543.

It is an arithmetic number, because the mean of its divisors is an integer number (91198174347).

Almost surely, 212222001022110 is an apocalyptic number.

12222001022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222001022110 is an abundant number, since it is smaller than the sum of its proper divisors (14043073189826).

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

12222001022110 is a wasteful number, since it uses less digits than its factorization.

12222001022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222001022110 its reverse (1122010022221), we get a palindrome (13344011044331).

The spelling of 12222001022110 in words is "twelve trillion, two hundred twenty-two billion, one million, twenty-two thousand, one hundred ten".