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12011102210 = 253153731047
BaseRepresentation
bin10110010111110101…
…01110000000000010
31011000002000012201102
423023322232000002
5144044320232320
65303503334402
7603434453462
oct131372560002
934002005642
1012011102210
115103a54958
1223b25b1402
131195550c93
1481d2abba2
154a4715175
hex2cbeae002

12011102210 has 32 divisors (see below), whose sum is σ = 22738516992. Its totient is φ = 4561727040.

The previous prime is 12011102189. The next prime is 12011102221. The reversal of 12011102210 is 1220111021.

It is a junction number, because it is equal to n+sod(n) for n = 12011102191 and 12011102200.

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, 349094 + ... + 381953.

It is an arithmetic number, because the mean of its divisors is an integer number (710578656).

Almost surely, 212011102210 is an apocalyptic number.

12011102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011102210 is a deficient number, since it is larger than the sum of its proper divisors (10727414782).

12011102210 is a wasteful number, since it uses less digits than its factorization.

12011102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731138.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011102210 its reverse (1220111021), we get a palindrome (13231213231).

The spelling of 12011102210 in words is "twelve billion, eleven million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 31 53 62 106 155 265 310 530 1643 3286 8215 16430 731047 1462094 3655235 7310470 22662457 38745491 45324914 77490982 113312285 193727455 226624570 387454910 1201110221 2402220442 6005551105 12011102210