Base | Representation |
---|---|
bin | 11011110000111101101011… |
… | …000111000101011111101001 |
3 | 121000100210110002100211111102 |
4 | 123300331223013011133221 |
5 | 112001140400111242301 |
6 | 1111413252312211145 |
7 | 34502205332606444 |
oct | 3360755307053751 |
9 | 530323402324442 |
10 | 122112012212201 |
11 | 359aa4604929a0 |
12 | 11842161999ab5 |
13 | 531a16201ca3b |
14 | 222237805a65b |
15 | e1b631201b6b |
hex | 6f0f6b1c57e9 |
122112012212201 has 4 divisors (see below), whose sum is σ = 133213104231504. Its totient is φ = 111010920192900.
The previous prime is 122112012212137. The next prime is 122112012212227. The reversal of 122112012212201 is 102212210211221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122112012212201 - 26 = 122112012212137 is a prime.
It is a super-2 number, since 2×1221120122122012 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122112012212231) 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, 5550546009635 + ... + 5550546009656.
It is an arithmetic number, because the mean of its divisors is an integer number (33303276057876).
Almost surely, 2122112012212201 is an apocalyptic number.
122112012212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122112012212201 is a deficient number, since it is larger than the sum of its proper divisors (11101092019303).
122112012212201 is a wasteful number, since it uses less digits than its factorization.
122112012212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11101092019302.
The product of its (nonzero) digits is 128, while the sum is 20.
Adding to 122112012212201 its reverse (102212210211221), we get a palindrome (224324222423422).
The spelling of 122112012212201 in words is "one hundred twenty-two trillion, one hundred twelve billion, twelve million, two hundred twelve thousand, two hundred one".
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