Search a number
-
+
12221322202103 = 74635291971257
BaseRepresentation
bin1011000111010111111110…
…0100011000101111110111
31121021100100221211212211212
42301311333210120233313
53100213231440431403
641554221540552035
72400650520464030
oct261657744305767
947240327755755
1012221322202103
113992040857033
1214546a80b261b
136a86092c61a1
1430372d805a87
15162d882394d8
hexb1d7f918bf7

12221322202103 has 16 divisors (see below), whose sum is σ = 13997853112320. Its totient is φ = 10452449722176.

The previous prime is 12221322202097. The next prime is 12221322202129. The reversal of 12221322202103 is 30120222312221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-12221322202103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221322202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171474851 + ... + 171546107.

It is an arithmetic number, because the mean of its divisors is an integer number (874865819520).

Almost surely, 212221322202103 is an apocalyptic number.

12221322202103 is a deficient number, since it is larger than the sum of its proper divisors (1776530910217).

12221322202103 is an equidigital number, since it uses as much as digits as its factorization.

12221322202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124646.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12221322202103 its reverse (30120222312221), we get a palindrome (42341544514324).

The spelling of 12221322202103 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-two million, two hundred two thousand, one hundred three".

Divisors: 1 7 463 3241 52919 71257 370433 498799 24501497 32991991 171510479 230943937 3770849183 26395944281 1745903171729 12221322202103