Base | Representation |
---|---|
bin | 1011000111010011011101… |
… | …1000011110011101010010 |
3 | 1121021020020112222112210221 |
4 | 2301310313120132131102 |
5 | 3100203241421321320 |
6 | 41553501435143254 |
7 | 2400605513452030 |
oct | 261646730363522 |
9 | 47236215875727 |
10 | 12220111120210 |
11 | 399157a171304 |
12 | 145440a5a4b2a |
13 | 6a8475421896 |
14 | 303656a2d550 |
15 | 162d16c603aa |
hex | b1d3761e752 |
12220111120210 has 128 divisors (see below), whose sum is σ = 26284281753600. Its totient is φ = 4002518016000.
The previous prime is 12220111120201. The next prime is 12220111120279. The reversal of 12220111120210 is 1202111102221.
It is a super-2 number, since 2×122201111202102 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73777566 + ... + 73943014.
It is an arithmetic number, because the mean of its divisors is an integer number (205345951200).
Almost surely, 212220111120210 is an apocalyptic number.
12220111120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12220111120210 is an abundant number, since it is smaller than the sum of its proper divisors (14064170633390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220111120210 is a wasteful number, since it uses less digits than its factorization.
12220111120210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165932.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12220111120210 its reverse (1202111102221), we get a palindrome (13422222222431).
The spelling of 12220111120210 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty thousand, two hundred ten".
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