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12001121312130 = 2325133345792357
BaseRepresentation
bin1010111010100011101010…
…0100101001110110000010
31120111021222210000122212100
42232220322210221312002
53033111244023442010
641305123343411230
72346023655011046
oct256507244516602
946437883018770
1012001121312130
113907713126245
121419a932b3b16
13690915ac2ca2
142d6c008a8026
1515c29b5b62c0
hexaea3a929d82

12001121312130 has 24 divisors (see below), whose sum is σ = 31202915411772. Its totient is φ = 3200299016544.

The previous prime is 12001121312129. The next prime is 12001121312137. The reversal of 12001121312130 is 3121312110021.

12001121312130 is a `hidden beast` number, since 1 + 200 + 1 + 1 + 21 + 312 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11652262158681 + 348859153449 = 3413541^2 + 590643^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12001121312137) 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, 66672896089 + ... + 66672896268.

Almost surely, 212001121312130 is an apocalyptic number.

12001121312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001121312130 is an abundant number, since it is smaller than the sum of its proper divisors (19201794099642).

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

12001121312130 is a wasteful number, since it uses less digits than its factorization.

12001121312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133345792370 (or 133345792367 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12001121312130 its reverse (3121312110021), we get a palindrome (15122433422151).

The spelling of 12001121312130 in words is "twelve trillion, one billion, one hundred twenty-one million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 133345792357 266691584714 400037377071 666728961785 800074754142 1200112131213 1333457923570 2000186885355 2400224262426 4000373770710 6000560656065 12001121312130