Search a number
-
+
2122110121012 = 227531429993343
BaseRepresentation
bin11110111000010111100…
…111101011010000110100
321111212112111120201022121
4132320113213223100310
5234232040142333022
64302514532405324
7306213603256540
oct36702747532064
97455474521277
102122110121012
11748a88927072
122a3342476844
1312516397124b
14749d4158a20
153a3033492c7
hex1ee179eb434

2122110121012 has 24 divisors (see below), whose sum is σ = 4324299872256. Its totient is φ = 892315845408.

The previous prime is 2122110121003. The next prime is 2122110121093. The reversal of 2122110121012 is 2101210112212.

It is a congruent number.

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, 714995188 + ... + 714998155.

It is an arithmetic number, because the mean of its divisors is an integer number (180179161344).

Almost surely, 22122110121012 is an apocalyptic number.

It is an amenable number.

2122110121012 is an abundant number, since it is smaller than the sum of its proper divisors (2202189751244).

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

2122110121012 is a wasteful number, since it uses less digits than its factorization.

2122110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429993407 (or 1429993405 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122110121012 its reverse (2101210112212), we get a palindrome (4223320233224).

The spelling of 2122110121012 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 1429993343 2859986686 5719973372 10009953401 20019906802 40039813604 75789647179 151579294358 303158588716 530527530253 1061055060506 2122110121012