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12212112102200 = 235269427879493
BaseRepresentation
bin1011000110110101101010…
…0110101001001100111000
31121020110121002102022221122
42301231122212221030320
53100040401144232300
641550100012324412
72400203344101563
oct261553246511470
947213532368848
1012212112102200
113989144a0471a
121452957773708
136a779c16372a
143030d853d4da
151629e98aac85
hexb1b5a9a9338

12212112102200 has 48 divisors (see below), whose sum is σ = 28393601885880. Its totient is φ = 4884768927360.

The previous prime is 12212112102163. The next prime is 12212112102221. The reversal of 12212112102200 is 220121121221.

12212112102200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13445654 + ... + 14325146.

Almost surely, 212212112102200 is an apocalyptic number.

12212112102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212112102200 is an abundant number, since it is smaller than the sum of its proper divisors (16181489783680).

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

12212112102200 is a wasteful number, since it uses less digits than its factorization.

12212112102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948936 (or 948927 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212112102200 its reverse (220121121221), we get a palindrome (12432233223421).

The spelling of 12212112102200 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 69427 138854 277708 347135 555416 694270 879493 1388540 1735675 1758986 2777080 3471350 3517972 4397465 6942700 7035944 8794930 13885400 17589860 21987325 35179720 43974650 87949300 175898600 61060560511 122121121022 244242242044 305302802555 488484484088 610605605110 1221211210220 1526514012775 2442422420440 3053028025550 6106056051100 12212112102200