Base | Representation |
---|---|
bin | 1010111100010011000001… |
… | …0001100101011011010100 |
3 | 1120121011011000002121012111 |
4 | 2233010300101211123110 |
5 | 3034104003401442322 |
6 | 41330545441000404 |
7 | 2351132503555246 |
oct | 257046021453324 |
9 | 46534130077174 |
10 | 12031013312212 |
11 | 3919362404344 |
12 | 1423836023104 |
13 | 69369a9a31bb |
14 | 2d843883c096 |
15 | 15ce4a9aa177 |
hex | af1304656d4 |
12031013312212 has 48 divisors (see below), whose sum is σ = 21469635532800. Its totient is φ = 5897411139200.
The previous prime is 12031013312209. The next prime is 12031013312233. The reversal of 12031013312212 is 21221331013021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127834989 + ... + 127929067.
It is an arithmetic number, because the mean of its divisors is an integer number (447284073600).
Almost surely, 212031013312212 is an apocalyptic number.
It is an amenable number.
12031013312212 is a deficient number, since it is larger than the sum of its proper divisors (9438622220588).
12031013312212 is a wasteful number, since it uses less digits than its factorization.
12031013312212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95616 (or 95614 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12031013312212 its reverse (21221331013021), we get a palindrome (33252344325233).
The spelling of 12031013312212 in words is "twelve trillion, thirty-one billion, thirteen million, three hundred twelve thousand, two hundred twelve".
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