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12202121210120 = 235307993658079
BaseRepresentation
bin1011000110010000011100…
…0110011010100100001000
31121012111210210210102112122
42301210013012122210020
53044404421012210440
641541324353030412
72366400636652412
oct261440706324410
947174723712478
1012202121210120
113984988350616
121450a29855408
136a6869314a7a
1430282b6ab9b2
151626126eb7b5
hexb190719a908

12202121210120 has 32 divisors (see below), whose sum is σ = 27544201977600. Its totient is φ = 4864949949888.

The previous prime is 12202121210117. The next prime is 12202121210137. The reversal of 12202121210120 is 2101212120221.

It is a super-3 number, since 3×122021212101203 (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496816760 + ... + 496841319.

It is an arithmetic number, because the mean of its divisors is an integer number (860756311800).

Almost surely, 212202121210120 is an apocalyptic number.

12202121210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202121210120 is an abundant number, since it is smaller than the sum of its proper divisors (15342080767480).

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

12202121210120 is a wasteful number, since it uses less digits than its factorization.

12202121210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993658397 (or 993658393 counting only the distinct ones).

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

Adding to 12202121210120 its reverse (2101212120221), we get a palindrome (14303333330341).

The spelling of 12202121210120 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 307 614 1228 1535 2456 3070 6140 12280 993658079 1987316158 3974632316 4968290395 7949264632 9936580790 19873161580 39746323160 305053030253 610106060506 1220212121012 1525265151265 2440424242024 3050530302530 6101060605060 12202121210120