Base | Representation |
---|---|
bin | 11011101111010111011010… |
… | …100000100100000010110010 |
3 | 120222222022000220220202012200 |
4 | 123233113122200210002302 |
5 | 111442341012233342320 |
6 | 1111251013101004030 |
7 | 34461240355401345 |
oct | 3357273240440262 |
9 | 528868026822180 |
10 | 122002212012210 |
11 | 359679360a9562 |
12 | 11824a19b53616 |
13 | 530c9b403a0ba |
14 | 221ad1d60645c |
15 | e18856924290 |
hex | 6ef5da8240b2 |
122002212012210 has 48 divisors (see below), whose sum is σ = 324582629177664. Its totient is φ = 31777320337056.
The previous prime is 122002212012209. The next prime is 122002212012211. The reversal of 122002212012210 is 12210212200221.
It is a happy number.
122002212012210 is a `hidden beast` number, since 1 + 2 + 20 + 0 + 221 + 201 + 221 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (122002212012209) and next prime (122002212012211).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (122002212012211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15762555822 + ... + 15762563561.
It is an arithmetic number, because the mean of its divisors is an integer number (6762138107868).
Almost surely, 2122002212012210 is an apocalyptic number.
122002212012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122002212012210 is an abundant number, since it is smaller than the sum of its proper divisors (202580417165454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122002212012210 is a wasteful number, since it uses less digits than its factorization.
122002212012210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31525119439 (or 31525119436 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 122002212012210 its reverse (12210212200221), we get a palindrome (134212424212431).
The spelling of 122002212012210 in words is "one hundred twenty-two trillion, two billion, two hundred twelve million, twelve thousand, two hundred ten".
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