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12121002023300 = 2252226375354509
BaseRepresentation
bin1011000001100010010000…
…0001010001100110000100
31120220202102110201202211222
42300120210001101212010
53042042303004221200
641440151135215512
72360466505153442
oct260304401214604
946822373652758
1012121002023300
113953540714955
12143916b077598
1369c00c372041
142dc93403bb92
15160465d56d85
hexb0624051984

12121002023300 has 36 divisors (see below), whose sum is σ = 26303741231460. Its totient is φ = 4848185723520.

The previous prime is 12121002023297. The next prime is 12121002023321. The reversal of 12121002023300 is 332020012121.

It can be written as a sum of positive squares in 6 ways, for example, as 2079404376196 + 10041597647104 = 1442014^2 + 3168848^2 .

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, 413555 + ... + 4940954.

Almost surely, 212121002023300 is an apocalyptic number.

12121002023300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121002023300 is an abundant number, since it is smaller than the sum of its proper divisors (14182739208160).

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

12121002023300 is a wasteful number, since it uses less digits than its factorization.

12121002023300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377160 (or 5377153 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12121002023300 its reverse (332020012121), we get a palindrome (12453022035421).

The spelling of 12121002023300 in words is "twelve trillion, one hundred twenty-one billion, two million, twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 22637 45274 90548 113185 226370 452740 565925 1131850 2263700 5354509 10709018 21418036 26772545 53545090 107090180 133862725 267725450 535450900 121210020233 242420040466 484840080932 606050101165 1212100202330 2424200404660 3030250505825 6060501011650 12121002023300