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12023220300 = 223527133711903
BaseRepresentation
bin10110011001010001…
…11100100001001100
31011000220210212121120
423030220330201030
5144110421022200
65305015200540
7603642454260
oct131450744114
934026725546
1012023220300
11510a881403
1223b6676150
131197c04950
14820b440a0
154a580a9a0
hex2cca3c84c

12023220300 has 288 divisors, whose sum is σ = 43975852032. Its totient is φ = 2467998720.

The previous prime is 12023220281. The next prime is 12023220317. The reversal of 12023220300 is 302232021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12023220300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1004149 + ... + 1016051.

Almost surely, 212023220300 is an apocalyptic number.

12023220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12023220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21987926016).

12023220300 is an abundant number, since it is smaller than the sum of its proper divisors (31952631732).

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

12023220300 is a wasteful number, since it uses less digits than its factorization.

12023220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11977 (or 11970 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12023220300 its reverse (302232021), we get a palindrome (12325452321).

The spelling of 12023220300 in words is "twelve billion, twenty-three million, two hundred twenty thousand, three hundred".