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12303120312100 = 2252123031203121
BaseRepresentation
bin1011001100001000101100…
…0111011010011100100100
31121120011111121102102001101
42303002023013122130210
53103033242244441400
642055550410205444
72406604535111602
oct263021307323444
947504447372041
1012303120312100
113a137a6746832
121468516123884
136b3243b089c7
1430768d2c4872
151650744db56a
hexb308b1da724

12303120312100 has 18 divisors (see below), whose sum is σ = 26697771077474. Its totient is φ = 4921248124800.

The previous prime is 12303120312071. The next prime is 12303120312107. The reversal of 12303120312100 is 121302130321.

It can be written as a sum of positive squares in 3 ways, for example, as 14043198016 + 12289077114084 = 118504^2 + 3505578^2 .

It is not an unprimeable number, because it can be changed into a prime (12303120312107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61515601461 + ... + 61515601660.

Almost surely, 212303120312100 is an apocalyptic number.

12303120312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303120312100 is an abundant number, since it is smaller than the sum of its proper divisors (14394650765374).

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

12303120312100 is a wasteful number, since it uses less digits than its factorization.

12303120312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123031203135 (or 123031203128 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12303120312100 its reverse (121302130321), we get a palindrome (12424422442421).

The spelling of 12303120312100 in words is "twelve trillion, three hundred three billion, one hundred twenty million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 123031203121 246062406242 492124812484 615156015605 1230312031210 2460624062420 3075780078025 6151560156050 12303120312100