Base | Representation |
---|---|
bin | 11011010101011100110100… |
… | …100111110110011111111100 |
3 | 120202200001012222012001221220 |
4 | 123111130310213312133330 |
5 | 111224201221441210122 |
6 | 1103404524122353340 |
7 | 34215463124005464 |
oct | 3325346447663774 |
9 | 522601188161856 |
10 | 120221312444412 |
11 | 35340632791333 |
12 | 1159784235b850 |
13 | 5210a89cc7aaa |
14 | 2198a57876ba4 |
15 | dd7373b9325c |
hex | 6d57349f67fc |
120221312444412 has 12 divisors (see below), whose sum is σ = 280516395703656. Its totient is φ = 40073770814800.
The previous prime is 120221312444411. The next prime is 120221312444413. The reversal of 120221312444412 is 214444213122021.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (120221312444411) and next prime (120221312444413).
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1202213124444122 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120221312444411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009221351839 + ... + 5009221351862.
It is an arithmetic number, because the mean of its divisors is an integer number (23376366308638).
Almost surely, 2120221312444412 is an apocalyptic number.
120221312444412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120221312444412 is an abundant number, since it is smaller than the sum of its proper divisors (160295083259244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120221312444412 is a wasteful number, since it uses less digits than its factorization.
120221312444412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10018442703708 (or 10018442703706 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 33.
Adding to 120221312444412 its reverse (214444213122021), we get a palindrome (334665525566433).
The spelling of 120221312444412 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twelve million, four hundred forty-four thousand, four hundred twelve".
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