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12001231011110 = 2511909112001111
BaseRepresentation
bin1010111010100100000100…
…0111000111110100100110
31120111022021102102221120112
42232221001013013310212
53033112010114323420
641305142302533022
72346026456310125
oct256510107076446
946438242387515
1012001231011110
11390776a041760
121419b03b97172
13690932751323
142d6c112a1abc
1515c2a60348c5
hexaea411c7d26

12001231011110 has 32 divisors (see below), whose sum is σ = 23568647825664. Its totient is φ = 4363603596000.

The previous prime is 12001231011073. The next prime is 12001231011149. The reversal of 12001231011110 is 1111013210021.

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, 5000546 + ... + 7000565.

It is an arithmetic number, because the mean of its divisors is an integer number (736520244552).

Almost surely, 212001231011110 is an apocalyptic number.

12001231011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001231011110 is a deficient number, since it is larger than the sum of its proper divisors (11567416814554).

12001231011110 is a wasteful number, since it uses less digits than its factorization.

12001231011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010220.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12001231011110 its reverse (1111013210021), we get a palindrome (13112244221131).

Subtracting from 12001231011110 its reverse (1111013210021), we obtain a square (10890217801089 = 33000332).

The spelling of 12001231011110 in words is "twelve trillion, one billion, two hundred thirty-one million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 9091 18182 45455 90910 100001 200002 500005 1000010 12001111 24002222 60005555 120011110 132012221 264024442 660061105 1320122210 109102100101 218204200202 545510500505 1091021001010 1200123101111 2400246202222 6000615505555 12001231011110