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12210021231103 = 113108053285231
BaseRepresentation
bin1011000110101101110111…
…1110100110100111111111
31121020021012101002002000101
42301223131332212213333
53100022110413343403
641545112321541531
72400100465015513
oct261533576464777
947207171062011
1012210021231103
113988271741283
1214524734a48a7
136a7527c20ab7
14302d7a98c143
1516292604871d
hexb1addfa69ff

12210021231103 has 4 divisors (see below), whose sum is σ = 12318074516448. Its totient is φ = 12101967945760.

The previous prime is 12210021231071. The next prime is 12210021231113. The reversal of 12210021231103 is 30113212001221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210021231103 - 25 = 12210021231071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210021231113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54026642503 + ... + 54026642728.

It is an arithmetic number, because the mean of its divisors is an integer number (3079518629112).

Almost surely, 212210021231103 is an apocalyptic number.

12210021231103 is a deficient number, since it is larger than the sum of its proper divisors (108053285345).

12210021231103 is a wasteful number, since it uses less digits than its factorization.

12210021231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108053285344.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12210021231103 its reverse (30113212001221), we get a palindrome (42323233232324).

The spelling of 12210021231103 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred thirty-one thousand, one hundred three".

Divisors: 1 113 108053285231 12210021231103