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212011210212 = 223192213342013
BaseRepresentation
bin1100010101110011011…
…0100101010111100100
3202021020102111101100220
43011130312211113210
511433144332211322
6241221400004340
721213556360404
oct3053466452744
9667212441326
10212011210212
1181a0588a20a
123510a1606b0
1316cb98aa359
14a3933ba804
1557acbab55c
hex315cda55e4

212011210212 has 48 divisors (see below), whose sum is σ = 520765210560. Its totient is φ = 66946290048.

The previous prime is 212011210157. The next prime is 212011210217. The reversal of 212011210212 is 212012110212.

212011210212 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212011210191 and 212011210200.

It is not an unprimeable number, because it can be changed into a prime (212011210217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025318 + ... + 5067330.

It is an arithmetic number, because the mean of its divisors is an integer number (10849275220).

Almost surely, 2212011210212 is an apocalyptic number.

It is an amenable number.

212011210212 is an abundant number, since it is smaller than the sum of its proper divisors (308754000348).

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

212011210212 is a wasteful number, since it uses less digits than its factorization.

212011210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64172 (or 64170 counting only the distinct ones).

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

Adding to 212011210212 its reverse (212012110212), we get a palindrome (424023320424).

The spelling of 212011210212 in words is "two hundred twelve billion, eleven million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 22133 42013 44266 66399 84026 88532 126039 132798 168052 252078 265596 420527 504156 798247 841054 1261581 1596494 1682108 2394741 2523162 3192988 4789482 5046324 9578964 929873729 1859747458 2789621187 3719494916 5579242374 11158484748 17667600851 35335201702 53002802553 70670403404 106005605106 212011210212