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12100211012200 = 235260501055061
BaseRepresentation
bin1011000000010100110011…
…0001110111001001101000
31120211202202111202222100211
42300011030301313021220
53041222213004342300
641422432111510504
72356132336401643
oct260051461671150
946752674688324
1012100211012200
113945741734553
121435128228434
1369a077b40acc
142db920a8aa5a
1515eb4a93c4ba
hexb014cc77268

12100211012200 has 24 divisors (see below), whose sum is σ = 28132990603830. Its totient is φ = 4840084404800.

The previous prime is 12100211012189. The next prime is 12100211012203. The reversal of 12100211012200 is 221011200121.

It can be written as a sum of positive squares in 3 ways, for example, as 11606926727236 + 493284284964 = 3406894^2 + 702342^2 .

It is a super-2 number, since 2×121002110122002 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12100211012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30250527331 + ... + 30250527730.

Almost surely, 212100211012200 is an apocalyptic number.

12100211012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100211012200 is an abundant number, since it is smaller than the sum of its proper divisors (16032779591630).

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

12100211012200 is a wasteful number, since it uses less digits than its factorization.

12100211012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60501055077 (or 60501055068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100211012200 its reverse (221011200121), we get a palindrome (12321222212321).

The spelling of 12100211012200 in words is "twelve trillion, one hundred billion, two hundred eleven million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 60501055061 121002110122 242004220244 302505275305 484008440488 605010550610 1210021101220 1512526376525 2420042202440 3025052753050 6050105506100 12100211012200