Search a number
-
+
12220022010220 = 2251993070357289
BaseRepresentation
bin1011000111010011001000…
…0100100011000101101100
31121021020000100022021212221
42301310302010203011230
53100203101113311340
641553444533205124
72400603352154113
oct261646204430554
947236010267787
1012220022010220
113991533938692
1214543a47907a4
136a845cb21a8b
14303648c74c7a
15162d0e00c44a
hexb1d3212316c

12220022010220 has 24 divisors (see below), whose sum is σ = 25791001236000. Its totient is φ = 4863445944192.

The previous prime is 12220022010181. The next prime is 12220022010223. The reversal of 12220022010220 is 2201022002221.

It is a super-2 number, since 2×122200220102202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220022010194 and 12220022010203.

It is not an unprimeable number, because it can be changed into a prime (12220022010223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535174665 + ... + 1535182624.

It is an arithmetic number, because the mean of its divisors is an integer number (1074625051500).

Almost surely, 212220022010220 is an apocalyptic number.

12220022010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220022010220 is an abundant number, since it is smaller than the sum of its proper divisors (13570979225780).

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

12220022010220 is a wasteful number, since it uses less digits than its factorization.

12220022010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070357497 (or 3070357495 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220022010220 its reverse (2201022002221), we get a palindrome (14421044012441).

The spelling of 12220022010220 in words is "twelve trillion, two hundred twenty billion, twenty-two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 3070357289 6140714578 12281429156 15351786445 30703572890 61407145780 611001100511 1222002201022 2444004402044 3055005502555 6110011005110 12220022010220