Search a number
-
+
120012121000212 = 22372345001591599
BaseRepresentation
bin11011010010011001111111…
…110101110100100100010100
3120201221001021001120122101020
4123102121333311310210110
5111212234310434001322
61103124450212001140
734164406144036200
oct3322317765644424
9521831231518336
10120012121000212
113526a944660061
12115631a06001b0
1351c712c67874c
14218c890b87b00
15dd1bcd82805c
hex6d267fd74914

120012121000212 has 72 divisors (see below), whose sum is σ = 325748680387200. Its totient is φ = 34289020080000.

The previous prime is 120012121000207. The next prime is 120012121000271. The reversal of 120012121000212 is 212000121210021.

It is a super-2 number, since 2×1200121210002122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120012121000191 and 120012121000200.

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, 202564789 + ... + 203156387.

It is an arithmetic number, because the mean of its divisors is an integer number (4524287227600).

Almost surely, 2120012121000212 is an apocalyptic number.

120012121000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012121000212 is an abundant number, since it is smaller than the sum of its proper divisors (205736559386988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120012121000212 is a wasteful number, since it uses less digits than its factorization.

120012121000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936621 (or 936612 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120012121000212 its reverse (212000121210021), we get a palindrome (332012242210233).

The spelling of 120012121000212 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 345001 591599 690002 1035003 1183198 1380004 1774797 2070006 2366396 2415007 3549594 4140012 4141193 4830014 7099188 7245021 8282386 9660028 12423579 14490042 16564772 16905049 24847158 28980084 28988351 33810098 49694316 50715147 57976702 67620196 86965053 101430294 115953404 173930106 202860588 347860212 204102246599 408204493198 612306739797 816408986396 1224613479594 1428715726193 2449226959188 2857431452386 4286147178579 5714862904772 8572294357158 10001010083351 17144588714316 20002020166702 30003030250053 40004040333404 60006060500106 120012121000212