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12023225920 = 265359104659
BaseRepresentation
bin10110011001010001…
…11101111001000000
31011000220211011022201
423030220331321000
5144110421212140
65305015242544
7603642506536
oct131450757100
934026734281
1012023225920
11510a885652
1223b6679454
131197c07384
14820b46156
154a580c49a
hex2cca3de40

12023225920 has 56 divisors (see below), whose sum is σ = 28710331200. Its totient is φ = 4795848192.

The previous prime is 12023225909. The next prime is 12023225927. The reversal of 12023225920 is 2952232021.

It is not an unprimeable number, because it can be changed into a prime (12023225927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62551 + ... + 167209.

Almost surely, 212023225920 is an apocalyptic number.

12023225920 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 12023225920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14355165600).

12023225920 is an abundant number, since it is smaller than the sum of its proper divisors (16687105280).

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

12023225920 is a wasteful number, since it uses less digits than its factorization.

12023225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105035 (or 105025 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12023225920 its reverse (2952232021), we get a palindrome (14975457941).

The spelling of 12023225920 in words is "twelve billion, twenty-three million, two hundred twenty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 359 718 1436 1795 2872 3590 5744 7180 11488 14360 22976 28720 57440 104659 114880 209318 418636 523295 837272 1046590 1674544 2093180 3349088 4186360 6698176 8372720 16745440 33490880 37572581 75145162 150290324 187862905 300580648 375725810 601161296 751451620 1202322592 1502903240 2404645184 3005806480 6011612960 12023225920