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2012120300 = 2252151133253
BaseRepresentation
bin111011111101110…
…1000010011101100
312012020011022011002
41313323220103230
513110100322200
6531354415432
7100601511641
oct16773502354
95166138132
102012120300
11942875843
12481a31578
13260b2c038
14151331dc8
15bb9a8bd5
hex77ee84ec

2012120300 has 36 divisors (see below), whose sum is σ = 4395249936. Its totient is φ = 799512000.

The previous prime is 2012120263. The next prime is 2012120329. The reversal of 2012120300 is 30212102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51527 + ... + 81726.

It is an arithmetic number, because the mean of its divisors is an integer number (122090276).

Almost surely, 22012120300 is an apocalyptic number.

2012120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012120300 is an abundant number, since it is smaller than the sum of its proper divisors (2383129636).

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

2012120300 is a wasteful number, since it uses less digits than its factorization.

2012120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133418 (or 133411 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012120300 is about 44856.6639419384. The cubic root of 2012120300 is about 1262.4610294150.

Adding to 2012120300 its reverse (30212102), we get a palindrome (2042332402).

The spelling of 2012120300 in words is "two billion, twelve million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 151 302 604 755 1510 3020 3775 7550 15100 133253 266506 533012 666265 1332530 2665060 3331325 6662650 13325300 20121203 40242406 80484812 100606015 201212030 402424060 503030075 1006060150 2012120300