Search a number
-
+
212220102211012 = 22725349329899403
BaseRepresentation
bin110000010000001101010111…
…110011100111010111000100
31000211102001011210211222021001
4300100031113303213113010
5210304003232131223022
62031204322525503044
762462252653262320
oct6020152763472704
91024361153758231
10212220102211012
1161690049149a85
121b975816a11a84
1391553678b153c
143a597173b4980
1519804ea13eb27
hexc10357ce75c4

212220102211012 has 24 divisors (see below), whose sum is σ = 424441892984256. Its totient is φ = 90951110541408.

The previous prime is 212220102210947. The next prime is 212220102211021. The reversal of 212220102211012 is 210112201022212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7851898 + ... + 22047505.

It is an arithmetic number, because the mean of its divisors is an integer number (17685078874344).

Almost surely, 2212220102211012 is an apocalyptic number.

It is an amenable number.

212220102211012 is an abundant number, since it is smaller than the sum of its proper divisors (212221790773244).

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

212220102211012 is a wasteful number, since it uses less digits than its factorization.

212220102211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30152907 (or 30152905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212220102211012 its reverse (210112201022212), we get a palindrome (422332303233224).

The spelling of 212220102211012 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 7 14 28 253493 506986 1013972 1774451 3548902 7097804 29899403 59798806 119597612 209295821 418591642 837183284 7579289364679 15158578729358 30317157458716 53055025552753 106110051105506 212220102211012