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212012201022 = 23149237150113
BaseRepresentation
bin1100010101110011101…
…0010111010000111110
3202021020111100201111120
43011130322113100332
511433200110413042
6241221433131410
721213600655146
oct3053472272076
9667214321446
10212012201022
1181a063a6666
123510a559b66
1316cb9b6632b
14a393597926
1557acd04dec
hex315ce9743e

212012201022 has 16 divisors (see below), whose sum is σ = 426870205200. Its totient is φ = 70196433152.

The previous prime is 212012200991. The next prime is 212012201047. The reversal of 212012201022 is 220102210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012200992 and 212012201010.

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, 118574163 + ... + 118575950.

It is an arithmetic number, because the mean of its divisors is an integer number (26679387825).

Almost surely, 2212012201022 is an apocalyptic number.

212012201022 is an abundant number, since it is smaller than the sum of its proper divisors (214858004178).

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

212012201022 is a wasteful number, since it uses less digits than its factorization.

212012201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237150267.

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

Adding to 212012201022 its reverse (220102210212), we get a palindrome (432114411234).

The spelling of 212012201022 in words is "two hundred twelve billion, twelve million, two hundred one thousand, twenty-two".

Divisors: 1 2 3 6 149 298 447 894 237150113 474300226 711450339 1422900678 35335366837 70670733674 106006100511 212012201022