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212020112112 = 24323192047203
BaseRepresentation
bin1100010101110101100…
…0100010101011110000
3202021021001020122110220
43011131120202223300
511433204122041422
6241222314453040
721214025134434
oct3053530425360
9667231218426
10212020112112
1181a0a90a356
1235111134180
1316cbb6a6153
14a3946569c4
1557ad868e5c
hex315d622af0

212020112112 has 40 divisors (see below), whose sum is σ = 571532479104. Its totient is φ = 67600615104.

The previous prime is 212020112099. The next prime is 212020112147. The reversal of 212020112112 is 211211020212.

It is a junction number, because it is equal to n+sod(n) for n = 212020112091 and 212020112100.

It is a congruent 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, 96022498 + ... + 96024705.

Almost surely, 2212020112112 is an apocalyptic number.

It is an amenable number.

212020112112 is an abundant number, since it is smaller than the sum of its proper divisors (359512366992).

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

212020112112 is a wasteful number, since it uses less digits than its factorization.

212020112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192047237 (or 192047231 counting only the distinct ones).

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

Adding to 212020112112 its reverse (211211020212), we get a palindrome (423231132324).

The spelling of 212020112112 in words is "two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 192047203 384094406 576141609 768188812 1152283218 1536377624 2304566436 3072755248 4417085669 4609132872 8834171338 9218265744 13251257007 17668342676 26502514014 35336685352 53005028028 70673370704 106010056056 212020112112