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12023300120 = 2351323121731
BaseRepresentation
bin10110011001010010…
…10000000000011000
31011000220221221002212
423030221100000120
5144110431100440
65305021014252
7603643236056
oct131451200030
934026857085
1012023300120
11510a926377
1223b66b4388
131197c32090
14820b651d6
154a5824465
hex2cca50018

12023300120 has 32 divisors (see below), whose sum is σ = 29133382320. Its totient is φ = 4439372160.

The previous prime is 12023300101. The next prime is 12023300129. The reversal of 12023300120 is 2100332021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12023300095 and 12023300104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023300129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11560346 + ... + 11561385.

Almost surely, 212023300120 is an apocalyptic number.

12023300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023300120 is an abundant number, since it is smaller than the sum of its proper divisors (17110082200).

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

12023300120 is a wasteful number, since it uses less digits than its factorization.

12023300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23121755 (or 23121751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12023300120 its reverse (2100332021), we get a palindrome (14123632141).

The spelling of 12023300120 in words is "twelve billion, twenty-three million, three hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 23121731 46243462 92486924 115608655 184973848 231217310 300582503 462434620 601165006 924869240 1202330012 1502912515 2404660024 3005825030 6011650060 12023300120