Search a number
-
+
122003000300221 = 972213774173421
BaseRepresentation
bin11011101111011000001001…
…011111101001001010111101
3120222222101001212012221001221
4123233120021133221022331
5111442344121034101341
61111251223220433341
734461266036625205
oct3357301137511275
9528871055187057
10122003000300221
113596820006aa57
1211824bb9b48851
13530caab44c101
14221ad961a3405
15e188a0c35ed1
hex6ef6097e92bd

122003000300221 has 16 divisors (see below), whose sum is σ = 123334071780528. Its totient is φ = 120673440921600.

The previous prime is 122003000300201. The next prime is 122003000300227.

122003000300221 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 1700053507321 + 120302946792900 = 1303861^2 + 10968270^2 .

It is a cyclic number.

It is not a de Polignac number, because 122003000300221 - 231 = 122000852816573 is a prime.

It is a super-2 number, since 2×1220030003002212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122003000300195 and 122003000300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003000300227) 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, 1661654091 + ... + 1661727511.

It is an arithmetic number, because the mean of its divisors is an integer number (7708379486283).

Almost surely, 2122003000300221 is an apocalyptic number.

It is an amenable number.

122003000300221 is a deficient number, since it is larger than the sum of its proper divisors (1331071480307).

122003000300221 is an equidigital number, since it uses as much as digits as its factorization.

122003000300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83472.

The product of its (nonzero) digits is 144, while the sum is 16.

It can be divided in two parts, 122003000 and 300221, that added together give a palindrome (122303221).

The spelling of 122003000300221 in words is "one hundred twenty-two trillion, three billion, three hundred thousand, two hundred twenty-one".

Divisors: 1 97 2213 7741 73421 214661 750877 7121837 17130833 162480673 568351961 1661690801 15760625281 55130140217 1257762889693 122003000300221