Base | Representation |
---|---|
bin | 11011101111101000000101… |
… | …111110101100010111100101 |
3 | 121000001000021001012202102220 |
4 | 123233220011332230113211 |
5 | 111443134202011400401 |
6 | 1111303134141022553 |
7 | 34462443232106205 |
oct | 3357500576542745 |
9 | 530030231182386 |
10 | 122020121200101 |
11 | 359744963a5493 |
12 | 11828397854a59 |
13 | 53115a94c2bb7 |
14 | 221bb3bd54405 |
15 | e19053d40336 |
hex | 6efa05fac5e5 |
122020121200101 has 64 divisors (see below), whose sum is σ = 164915232768000. Its totient is φ = 80245348747200.
The previous prime is 122020121200091. The next prime is 122020121200169. The reversal of 122020121200101 is 101002121020221.
It is not a de Polignac number, because 122020121200101 - 217 = 122020121069029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122020121202101) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69369027660 + ... + 69369029418.
It is an arithmetic number, because the mean of its divisors is an integer number (2576800512000).
Almost surely, 2122020121200101 is an apocalyptic number.
It is an amenable number.
122020121200101 is a deficient number, since it is larger than the sum of its proper divisors (42895111567899).
122020121200101 is a wasteful number, since it uses less digits than its factorization.
122020121200101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3590.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122020121200101 its reverse (101002121020221), we get a palindrome (223022242220322).
The spelling of 122020121200101 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty-one million, two hundred thousand, one hundred one".
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