Base | Representation |
---|---|
bin | 100000010011101110010… |
… | …011100001111101111100 |
3 | 21212020201122021221102100 |
4 | 200103232103201331330 |
5 | 242333433003101022 |
6 | 4415540225225100 |
7 | 316255441003044 |
oct | 40235623417574 |
9 | 7766648257370 |
10 | 2220201222012 |
11 | 786644789094 |
12 | 2ba358a92190 |
13 | 131496b52747 |
14 | 7965b876724 |
15 | 3cb44bb91ac |
hex | 204ee4e1f7c |
2220201222012 has 72 divisors (see below), whose sum is σ = 5806304431200. Its totient is φ = 714472956288.
The previous prime is 2220201221971. The next prime is 2220201222049. The reversal of 2220201222012 is 2102221020222.
It is a super-2 number, since 2×22202012220122 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10372689 + ... + 10584567.
It is an arithmetic number, because the mean of its divisors is an integer number (80643117100).
Almost surely, 22220201222012 is an apocalyptic number.
It is an amenable number.
2220201222012 is an abundant number, since it is smaller than the sum of its proper divisors (3586103209188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220201222012 is a wasteful number, since it uses less digits than its factorization.
2220201222012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221955 (or 221950 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2220201222012 its reverse (2102221020222), we get a palindrome (4322422242234).
The spelling of 2220201222012 in words is "two trillion, two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, twelve".
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