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122321121233 = 228521535273
BaseRepresentation
bin111000111101011101…
…0000010111111010001
3102200201202202210020112
41301322322002333101
54001003201334413
6132105450051105
711560142242463
oct1617272027721
9380652683215
10122321121233
11479700a1933
121b859119a95
13b6c504609c
145cc5712133
1532adb4a2a8
hex1c7ae82fd1

122321121233 has 4 divisors (see below), whose sum is σ = 122321885028. Its totient is φ = 122320357440.

The previous prime is 122321121103. The next prime is 122321121253. The reversal of 122321121233 is 332121123221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 332121123221 = 1409235714069.

It can be written as a sum of positive squares in 2 ways, for example, as 104065598464 + 18255522769 = 322592^2 + 135113^2 .

It is a cyclic number.

It is not a de Polignac number, because 122321121233 - 236 = 53601644497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122321121199 and 122321121208.

It is not an unprimeable number, because it can be changed into a prime (122321121253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39116 + ... + 496157.

It is an arithmetic number, because the mean of its divisors is an integer number (30580471257).

Almost surely, 2122321121233 is an apocalyptic number.

It is an amenable number.

122321121233 is a deficient number, since it is larger than the sum of its proper divisors (763795).

122321121233 is an equidigital number, since it uses as much as digits as its factorization.

122321121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763794.

The product of its digits is 864, while the sum is 23.

Adding to 122321121233 its reverse (332121123221), we get a palindrome (454442244454).

The spelling of 122321121233 in words is "one hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 228521 535273 122321121233