Search a number
-
+
120011112001220 = 22511545505054551
BaseRepresentation
bin11011010010011001000011…
…101100110010111011000100
3120201220221122201222011222012
4123102121003230302323010
5111212230224133014340
61103124202125353352
734164342142505156
oct3322310354627304
9521827581864865
10120011112001220
113526a4770501a0
1211562b5a708858
1351c6ccb60a51b
14218c7d6b76ad6
15dd1b6ee6a565
hex6d2643b32ec4

120011112001220 has 24 divisors (see below), whose sum is σ = 274934547494208. Its totient is φ = 43640404364000.

The previous prime is 120011112001219. The next prime is 120011112001243. The reversal of 120011112001220 is 22100211110021.

It is a super-2 number, since 2×1200111120012202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120011112001195 and 120011112001204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272752527056 + ... + 272752527495.

It is an arithmetic number, because the mean of its divisors is an integer number (11455606145592).

Almost surely, 2120011112001220 is an apocalyptic number.

120011112001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011112001220 is an abundant number, since it is smaller than the sum of its proper divisors (154923435492988).

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

120011112001220 is a wasteful number, since it uses less digits than its factorization.

120011112001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545505054571 (or 545505054569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120011112001220 its reverse (22100211110021), we get a palindrome (142111323111241).

The spelling of 120011112001220 in words is "one hundred twenty trillion, eleven billion, one hundred twelve million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 545505054551 1091010109102 2182020218204 2727525272755 5455050545510 6000555600061 10910101091020 12001111200122 24002222400244 30002778000305 60005556000610 120011112001220