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212010010220 = 22551449206039
BaseRepresentation
bin1100010101110011001…
…0000000011001101100
3202021020100020102021202
43011130302000121230
511433144030311340
6241221314145032
721213543232031
oct3053462003154
9667210212252
10212010010220
1181a0513a688
1235109882178
1316cb957a0b8
14a393187388
1557aca20c15
hex315cc8066c

212010010220 has 24 divisors (see below), whose sum is σ = 445231836000. Its totient is φ = 84801944192.

The previous prime is 212010010217. The next prime is 212010010349. The reversal of 212010010220 is 22010010212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925961 + ... + 1131999.

It is an arithmetic number, because the mean of its divisors is an integer number (18551326500).

Almost surely, 2212010010220 is an apocalyptic number.

212010010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010010220 is an abundant number, since it is smaller than the sum of its proper divisors (233221825780).

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

212010010220 is a wasteful number, since it uses less digits than its factorization.

212010010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257497 (or 257495 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212010010220 its reverse (22010010212), we get a palindrome (234020020432).

The spelling of 212010010220 in words is "two hundred twelve billion, ten million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 51449 102898 205796 206039 257245 412078 514490 824156 1028980 1030195 2060390 4120780 10600500511 21201001022 42402002044 53002502555 106005005110 212010010220