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12011021101230 = 235691579402851
BaseRepresentation
bin1010111011001000100010…
…1001010110100010101110
31120112020112201020001110220
42232302020221112202232
53033242032400214410
641313441550312210
72346524204561664
oct256621051264256
946466481201426
1012011021101230
113910933315328
12141b9967b8666
13691832ac4968
142d749d5c2c34
1515c67a77c070
hexaec88a568ae

12011021101230 has 32 divisors (see below), whose sum is σ = 28868167698048. Its totient is φ = 3198303732000.

The previous prime is 12011021101223. The next prime is 12011021101241. The reversal of 12011021101230 is 3210112011021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289680696 + ... + 289722155.

It is an arithmetic number, because the mean of its divisors is an integer number (902130240564).

Almost surely, 212011021101230 is an apocalyptic number.

12011021101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011021101230 is an abundant number, since it is smaller than the sum of its proper divisors (16857146596818).

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

12011021101230 is a wasteful number, since it uses less digits than its factorization.

12011021101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579403552.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12011021101230 its reverse (3210112011021), we get a palindrome (15221133112251).

The spelling of 12011021101230 in words is "twelve trillion, eleven billion, twenty-one million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 691 1382 2073 3455 4146 6910 10365 20730 579402851 1158805702 1738208553 2897014255 3476417106 5794028510 8691042765 17382085530 400367370041 800734740082 1201102110123 2001836850205 2402204220246 4003673700410 6005510550615 12011021101230