Search a number
-
+
121223330300 = 22521212233303
BaseRepresentation
bin111000011100101111…
…0010011100111111100
3102120220021002020012002
41300321132103213330
53441231133032200
6131404512401432
711521012210022
oct1607136234774
9376807066162
10121223330300
11474574562a6
121b5b1546278
13b57b789a57
145c1d9ca712
15324759dbd5
hex1c397939fc

121223330300 has 18 divisors (see below), whose sum is σ = 263054626968. Its totient is φ = 48489332080.

The previous prime is 121223330297. The next prime is 121223330323. The reversal of 121223330300 is 3033322121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606116552 + ... + 606116751.

Almost surely, 2121223330300 is an apocalyptic number.

121223330300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121223330300 is an abundant number, since it is smaller than the sum of its proper divisors (141831296668).

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

121223330300 is a wasteful number, since it uses less digits than its factorization.

121223330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212233317 (or 1212233310 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 121223330300 its reverse (3033322121), we get a palindrome (124256652421).

The spelling of 121223330300 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1212233303 2424466606 4848933212 6061166515 12122333030 24244666060 30305832575 60611665150 121223330300