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210120022212 = 22397439411197
BaseRepresentation
bin1100001110110000100…
…0010001100011000100
3202002100121220002010220
43003230020101203010
511420311211202322
6240310001144340
721115653501642
oct3035410214304
9662317802126
10210120022212
1181125302721
123488092b0b0
1316a77b406b9
14a254168192
1556ebb3e55c
hex30ec2118c4

210120022212 has 48 divisors (see below), whose sum is σ = 496464017280. Its totient is φ = 69159877632.

The previous prime is 210120022207. The next prime is 210120022327. The reversal of 210120022212 is 212220021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120022191 and 210120022200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305398 + ... + 716594.

It is an arithmetic number, because the mean of its divisors is an integer number (10343000360).

Almost surely, 2210120022212 is an apocalyptic number.

It is an amenable number.

210120022212 is an abundant number, since it is smaller than the sum of its proper divisors (286343995068).

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

210120022212 is a wasteful number, since it uses less digits than its factorization.

210120022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411740 (or 411738 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210120022212 its reverse (212220021012), we get a palindrome (422340043224).

The spelling of 210120022212 in words is "two hundred ten billion, one hundred twenty million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 97 194 291 388 439 582 878 1164 1317 1756 2634 5268 42583 85166 127749 170332 255498 411197 510996 822394 1233591 1644788 2467182 4934364 39886109 79772218 119658327 159544436 180515483 239316654 361030966 478633308 541546449 722061932 1083092898 2166185796 17510001851 35020003702 52530005553 70040007404 105060011106 210120022212