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220102012012 = 22231053238151
BaseRepresentation
bin1100110011111100011…
…0100010110001101100
3210001010021202200220211
43030333012202301230
512101232103341022
6245040301552204
721621222143011
oct3147706426154
9701107680824
10220102012012
1185387936373
12367a7875664
13179a8b9333c
14a91db5d708
155ad3140e77
hex333f1a2c6c

220102012012 has 12 divisors (see below), whose sum is σ = 385181805456. Its totient is φ = 110050067600.

The previous prime is 220102012007. The next prime is 220102012063. The reversal of 220102012012 is 210210201022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220102011983 and 220102012001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805137 + ... + 1043287.

It is an arithmetic number, because the mean of its divisors is an integer number (32098483788).

Almost surely, 2220102012012 is an apocalyptic number.

It is an amenable number.

220102012012 is a deficient number, since it is larger than the sum of its proper divisors (165079793444).

220102012012 is a wasteful number, since it uses less digits than its factorization.

220102012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469208 (or 469206 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220102012012 its reverse (210210201022), we get a palindrome (430312213034).

The spelling of 220102012012 in words is "two hundred twenty billion, one hundred two million, twelve thousand, twelve".

Divisors: 1 2 4 231053 238151 462106 476302 924212 952604 55025503003 110051006006 220102012012