Base | Representation |
---|---|
bin | 1011000111011011010010… |
… | …0110101111000000011100 |
3 | 1121021102122222011210211100 |
4 | 2301312310212233000130 |
5 | 3100222042233310022 |
6 | 41554450124353100 |
7 | 2401011543643134 |
oct | 261666446570034 |
9 | 47242588153740 |
10 | 12222212010012 |
11 | 3992458057974 |
12 | 14548b60a5790 |
13 | 6a871b761744 |
14 | 3037b5a6bac4 |
15 | 162ddb4011ac |
hex | b1db49af01c |
12222212010012 has 72 divisors (see below), whose sum is σ = 30940713157536. Its totient is φ = 4068048466944.
The previous prime is 12222212009993. The next prime is 12222212010031. The reversal of 12222212010012 is 21001021222221.
It is a happy number.
12222212010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12222212009993) and next prime (12222212010031).
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, 354691888 + ... + 354726344.
It is an arithmetic number, because the mean of its divisors is an integer number (429732127188).
Almost surely, 212222212010012 is an apocalyptic number.
12222212010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12222212010012 is an abundant number, since it is smaller than the sum of its proper divisors (18718501147524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222212010012 is a wasteful number, since it uses less digits than its factorization.
12222212010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48747 (or 48742 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12222212010012 its reverse (21001021222221), we get a palindrome (33223233232233).
The spelling of 12222212010012 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, twelve".
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