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12030131122100 = 22527131987779337
BaseRepresentation
bin1010111100001111101110…
…1100010010111110110100
31120121001212112002200212122
42233003323230102332310
53034100202031401400
641330322124335112
72351101602224360
oct257037354227664
946531775080778
1012030131122100
113918a4a436903
12142362a6a4498
13693589ca4110
142d83935da2a0
1515cde82ea685
hexaf0fbb12fb4

12030131122100 has 288 divisors, whose sum is σ = 33859732005120. Its totient is φ = 3602793738240.

The previous prime is 12030131122099. The next prime is 12030131122109. The reversal of 12030131122100 is 122113103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030131122109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151593632 + ... + 151672968.

Almost surely, 212030131122100 is an apocalyptic number.

12030131122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030131122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16929866002560).

12030131122100 is an abundant number, since it is smaller than the sum of its proper divisors (21829600883020).

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

12030131122100 is a wasteful number, since it uses less digits than its factorization.

12030131122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80267 (or 80260 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12030131122100 its reverse (122113103021), we get a palindrome (12152244225121).

The spelling of 12030131122100 in words is "twelve trillion, thirty billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred".