Base | Representation |
---|---|
bin | 111000110100001111… |
… | …0111000111010101001 |
3 | 102122221020010102100212 |
4 | 1301220132320322221 |
5 | 3444340033342301 |
6 | 132015044510505 |
7 | 11546366664122 |
oct | 1615036707251 |
9 | 378836112325 |
10 | 122012012201 |
11 | 47821666722 |
12 | 1b7916ab435 |
13 | b675ca9131 |
14 | 5c9664b049 |
15 | 329193c4bb |
hex | 1c687b8ea9 |
122012012201 has 4 divisors (see below), whose sum is σ = 122167047312. Its totient is φ = 121856977092.
The previous prime is 122012012159. The next prime is 122012012209. The reversal of 122012012201 is 102210210221.
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 a de Polignac number, because none of the positive numbers 2k-122012012201 is a prime.
It is a super-2 number, since 2×1220120122012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122012012209) 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, 77516375 + ... + 77517948.
It is an arithmetic number, because the mean of its divisors is an integer number (30541761828).
Almost surely, 2122012012201 is an apocalyptic number.
It is an amenable number.
122012012201 is a deficient number, since it is larger than the sum of its proper divisors (155035111).
122012012201 is an equidigital number, since it uses as much as digits as its factorization.
122012012201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155035110.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122012012201 its reverse (102210210221), we get a palindrome (224222222422).
It can be divided in two parts, 1220120 and 12201, that added together give a palindrome (1232321).
The spelling of 122012012201 in words is "one hundred twenty-two billion, twelve million, twelve thousand, two hundred one".
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