Base | Representation |
---|---|
bin | 10001011111101001010… |
… | …111000100001001011100 |
3 | 11020221010011010012220200 |
4 | 101133221113010021130 |
5 | 124144112004410322 |
6 | 2320142122143500 |
7 | 152566624001466 |
oct | 21375127041134 |
9 | 4227104105820 |
10 | 1202211013212 |
11 | 423944859040 |
12 | 174bb6051b90 |
13 | 894a26a4151 |
14 | 4228a031136 |
15 | 21413d808ac |
hex | 117e95c425c |
1202211013212 has 72 divisors (see below), whose sum is σ = 3320312591232. Its totient is φ = 363743220000.
The previous prime is 1202211013177. The next prime is 1202211013229. The reversal of 1202211013212 is 2123101122021.
1202211013212 is a `hidden beast` number, since 1 + 20 + 221 + 101 + 321 + 2 = 666.
It is a super-2 number, since 2×12022110132122 (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, 2089914 + ... + 2602337.
It is an arithmetic number, because the mean of its divisors is an integer number (46115452656).
Almost surely, 21202211013212 is an apocalyptic number.
1202211013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1202211013212 is an abundant number, since it is smaller than the sum of its proper divisors (2118101578020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202211013212 is a wasteful number, since it uses less digits than its factorization.
1202211013212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4692919 (or 4692914 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 1202211013212 its reverse (2123101122021), we get a palindrome (3325312135233).
The spelling of 1202211013212 in words is "one trillion, two hundred two billion, two hundred eleven million, thirteen thousand, two hundred twelve".
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