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12031333331210 = 2511177107643673
BaseRepresentation
bin1010111100010100001101…
…0110010111000100001010
31120121011222022021020201222
42233011003112113010022
53034110132313044320
641331041312042042
72351143440643244
oct257050326270412
946534868236658
1012031333331210
113919507011356
121423905233322
1369371c08cc5b
142d8469143094
1515ce68b20825
hexaf14359710a

12031333331210 has 16 divisors (see below), whose sum is σ = 21658337783496. Its totient is φ = 4812102713088.

The previous prime is 12031333331153. The next prime is 12031333331219. The reversal of 12031333331210 is 1213333313021.

It can be written as a sum of positive squares in 4 ways, for example, as 9855976772929 + 2175356558281 = 3139423^2 + 1474909^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031333331210.

It is not an unprimeable number, because it can be changed into a prime (12031333331219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53710067 + ... + 53933606.

Almost surely, 212031333331210 is an apocalyptic number.

12031333331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031333331210 is a deficient number, since it is larger than the sum of its proper divisors (9627004452286).

12031333331210 is a wasteful number, since it uses less digits than its factorization.

12031333331210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107654857.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12031333331210 its reverse (1213333313021), we get a palindrome (13244666644231).

The spelling of 12031333331210 in words is "twelve trillion, thirty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11177 22354 55885 111770 107643673 215287346 538218365 1076436730 1203133333121 2406266666242 6015666665605 12031333331210