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2010211212 = 2232922725447
BaseRepresentation
bin111011111010001…
…0110001110001100
312012002120022101010
41313310112032030
513104103224322
6531245445220
7100546341042
oct16764261614
95162508333
102010211212
11941791489
12481270810
132606110b9
14150d96392
15bb72d20c
hex77d1638c

2010211212 has 48 divisors (see below), whose sum is σ = 4873800960. Its totient is φ = 644089152.

The previous prime is 2010211199. The next prime is 2010211237. The reversal of 2010211212 is 2121120102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66273 + ... + 91719.

It is an arithmetic number, because the mean of its divisors is an integer number (101537520).

Almost surely, 22010211212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436900480).

2010211212 is an abundant number, since it is smaller than the sum of its proper divisors (2863589748).

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

2010211212 is a wasteful number, since it uses less digits than its factorization.

2010211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710 (or 25708 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2010211212 is about 44835.3790214826. The cubic root of 2010211212 is about 1262.0616311867.

Adding to 2010211212 its reverse (2121120102), we get a palindrome (4131331314).

The spelling of 2010211212 in words is "two billion, ten million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 227 348 454 681 908 1362 2724 6583 13166 19749 25447 26332 39498 50894 76341 78996 101788 152682 305364 737963 1475926 2213889 2951852 4427778 5776469 8855556 11552938 17329407 23105876 34658814 69317628 167517601 335035202 502552803 670070404 1005105606 2010211212