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12101303100 = 2235240337677
BaseRepresentation
bin10110100010100101…
…10011101100111100
31011020100201220002010
423101102303230330
5144240413144400
65320444531220
7605611244025
oct132122635474
934210656063
1012101303100
11514a963147
122418850b10
1311ab1434a3
1482b26bc4c
154ac5d1450
hex2d14b3b3c

12101303100 has 36 divisors (see below), whose sum is σ = 35013104504. Its totient is φ = 3227014080.

The previous prime is 12101303087. The next prime is 12101303101. The reversal of 12101303100 is 130310121.

It is a super-2 number, since 2×121013031002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101303101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20168539 + ... + 20169138.

Almost surely, 212101303100 is an apocalyptic number.

12101303100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101303100 is an abundant number, since it is smaller than the sum of its proper divisors (22911801404).

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

12101303100 is a wasteful number, since it uses less digits than its factorization.

12101303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40337694 (or 40337687 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12101303100 its reverse (130310121), we get a palindrome (12231613221).

The spelling of 12101303100 in words is "twelve billion, one hundred one million, three hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 40337677 80675354 121013031 161350708 201688385 242026062 403376770 484052124 605065155 806753540 1008441925 1210130310 2016883850 2420260620 3025325775 4033767700 6050651550 12101303100