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12012110300310 = 23531712591003259
BaseRepresentation
bin1010111011001100100110…
…0100010100010010010110
31120112100100121202002201120
42232303021210110102112
53033301300214102220
641314142015504410
72346563201611341
oct256631144242226
946470317662646
1012012110300310
11391134212275a
12142003b528106
13691977663363
142d756410d458
1515c6e11cca40
hexaecc9914496

12012110300310 has 64 divisors (see below), whose sum is σ = 28943007609600. Its totient is φ = 3190585169792.

The previous prime is 12012110300297. The next prime is 12012110300317. The reversal of 12012110300310 is 1300301121021.

It is a happy number.

It is a super-2 number, since 2×120121103003102 (a number of 27 digits) contains 22 as substring.

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

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 12012110300310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012110300317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11471461 + ... + 12474719.

It is an arithmetic number, because the mean of its divisors is an integer number (452234493900).

Almost surely, 212012110300310 is an apocalyptic number.

12012110300310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012110300310 is an abundant number, since it is smaller than the sum of its proper divisors (16930897309290).

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

12012110300310 is a wasteful number, since it uses less digits than its factorization.

12012110300310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004845.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12012110300310 its reverse (1300301121021), we get a palindrome (13312411421331).

The spelling of 12012110300310 in words is "twelve trillion, twelve billion, one hundred ten million, three hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 317 634 951 1259 1585 1902 2518 3170 3777 4755 6295 7554 9510 12590 18885 37770 399103 798206 1003259 1197309 1995515 2006518 2394618 3009777 3991030 5016295 5986545 6019554 10032590 11973090 15048885 30097770 318033103 636066206 954099309 1263103081 1590165515 1908198618 2526206162 3180331030 3789309243 4770496545 6315515405 7578618486 9540993090 12631030810 18946546215 37893092430 400403676677 800807353354 1201211030031 2002018383385 2402422060062 4004036766770 6006055150155 12012110300310