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12120112102211 = 731516431709999
BaseRepresentation
bin1011000001011110111011…
…1110011111101101000011
31120220200010110012002121122
42300113232332133231003
53042033442144232321
641435522545142455
72360435451023351
oct260275676375503
946820113162548
1012120112102211
113953124346a83
121438b6102aa2b
1369bbc9b97109
142dc88bb867d1
15160412b6b8ab
hexb05eef9fb43

12120112102211 has 16 divisors (see below), whose sum is σ = 12386747520000. Its totient is φ = 11856442132800.

The previous prime is 12120112102201. The next prime is 12120112102237. The reversal of 12120112102211 is 11220121102121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12120112102211 is a prime.

It is a super-2 number, since 2×121201121022112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120112102211.

It is not an unprimeable number, because it can be changed into a prime (12120112102201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6232790 + ... + 7942788.

It is an arithmetic number, because the mean of its divisors is an integer number (774171720000).

Almost surely, 212120112102211 is an apocalyptic number.

12120112102211 is a deficient number, since it is larger than the sum of its proper divisors (266635417789).

12120112102211 is a wasteful number, since it uses less digits than its factorization.

12120112102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710866.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12120112102211 its reverse (11220121102121), we get a palindrome (23340233204332).

The spelling of 12120112102211 in words is "twelve trillion, one hundred twenty billion, one hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 73 151 643 11023 46939 97093 1709999 7087789 124829927 258209849 1099529357 18849318977 80265643061 166028932907 12120112102211