Base | Representation |
---|---|
bin | 111000110100001111… |
… | …0111000011001110101 |
3 | 102122221020010022111002 |
4 | 1301220132320121311 |
5 | 3444340033310401 |
6 | 132015044453045 |
7 | 11546366655032 |
oct | 1615036703165 |
9 | 378836108432 |
10 | 122012010101 |
11 | 47821665093 |
12 | 1b7916aa185 |
13 | b675ca81a7 |
14 | 5c9664a389 |
15 | 329193ba6b |
hex | 1c687b8675 |
122012010101 has 4 divisors (see below), whose sum is σ = 124849498752. Its totient is φ = 119174521452.
The previous prime is 122012010067. The next prime is 122012010143. The reversal of 122012010101 is 101010210221.
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-122012010101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122012010191) 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, 1418744261 + ... + 1418744346.
It is an arithmetic number, because the mean of its divisors is an integer number (31212374688).
Almost surely, 2122012010101 is an apocalyptic number.
It is an amenable number.
122012010101 is a deficient number, since it is larger than the sum of its proper divisors (2837488651).
122012010101 is an equidigital number, since it uses as much as digits as its factorization.
122012010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2837488650.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 122012010101 its reverse (101010210221), we get a palindrome (223022220322).
The spelling of 122012010101 in words is "one hundred twenty-two billion, twelve million, ten thousand, one hundred one".
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