Search a number
-
+
12212110122 = 2319562319051
BaseRepresentation
bin10110101111110011…
…00000001100101010
31011112002020110201220
423113321200030222
5200002300010442
65335443522510
7611425136412
oct132771401452
934462213656
1012212110122
1151a74660a3
122449989436
1311c809bc84
1483bc73642
154b71bceec
hex2d7e6032a

12212110122 has 32 divisors (see below), whose sum is σ = 25715627520. Its totient is φ = 3855567600.

The previous prime is 12212110117. The next prime is 12212110133. The reversal of 12212110122 is 22101121221.

12212110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 631497 + ... + 650547.

It is an arithmetic number, because the mean of its divisors is an integer number (803613360).

Almost surely, 212212110122 is an apocalyptic number.

12212110122 is an abundant number, since it is smaller than the sum of its proper divisors (13503517398).

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

12212110122 is a wasteful number, since it uses less digits than its factorization.

12212110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24698.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12212110122 its reverse (22101121221), we get a palindrome (34313231343).

The spelling of 12212110122 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 5623 11246 16869 19051 33738 38102 57153 106837 114306 213674 320511 361969 641022 723938 1085907 2171814 107123773 214247546 321371319 642742638 2035351687 4070703374 6106055061 12212110122