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12010120001 = 111929268329
BaseRepresentation
bin10110010111101101…
…11110001101000001
31011000000011022101022
423023312332031001
5144044042320001
65303430315225
7603423223055
oct131366761501
934000138338
1012010120001
115103443a10
1223b21b8b15
131195298ba9
1481d0d3c65
154a45be11b
hex2cbdbe341

12010120001 has 24 divisors (see below), whose sum is σ = 14283703200. Its totient is φ = 9986820480.

The previous prime is 12010119977. The next prime is 12010120079. The reversal of 12010120001 is 10002101021.

It is not a de Polignac number, because 12010120001 - 226 = 11943011137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010120901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141605 + ... + 209933.

It is an arithmetic number, because the mean of its divisors is an integer number (595154300).

Almost surely, 212010120001 is an apocalyptic number.

12010120001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010120001 is a deficient number, since it is larger than the sum of its proper divisors (2273583199).

12010120001 is a wasteful number, since it uses less digits than its factorization.

12010120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68417 (or 68388 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010120001 its reverse (10002101021), we get a palindrome (22012221022).

The spelling of 12010120001 in words is "twelve billion, ten million, one hundred twenty thousand, one".

Divisors: 1 11 19 29 209 319 551 841 6061 9251 15979 68329 175769 751619 1298251 1981541 14280761 21796951 37649279 57464689 414142069 632111579 1091829091 12010120001