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212321120232 = 233132392847349
BaseRepresentation
bin1100010110111101010…
…0110010111111101000
3202022001000122102222210
43011233110302333220
511434313201321412
6241312230245120
721224341513224
oct3055724627750
9668030572883
10212321120232
11820548121a1
1235195ab67a0
1317038b67a70
14a3c260d784
1557c9ec683c
hex316f532fe8

212321120232 has 64 divisors (see below), whose sum is σ = 574025760000. Its totient is φ = 65056207104.

The previous prime is 212321120227. The next prime is 212321120233. The reversal of 212321120232 is 232021123212.

It is a super-3 number, since 3×2123211202323 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212321120199 and 212321120208.

It is not an unprimeable number, because it can be changed into a prime (212321120233) 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, 1349107 + ... + 1498242.

It is an arithmetic number, because the mean of its divisors is an integer number (8969152500).

Almost surely, 2212321120232 is an apocalyptic number.

It is an amenable number.

212321120232 is an abundant number, since it is smaller than the sum of its proper divisors (361704639768).

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

212321120232 is a wasteful number, since it uses less digits than its factorization.

212321120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847610 (or 2847606 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212321120232 its reverse (232021123212), we get a palindrome (444342243444).

The spelling of 212321120232 in words is "two hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 239 312 478 717 956 1434 1912 2868 3107 5736 6214 9321 12428 18642 24856 37284 74568 2847349 5694698 8542047 11389396 17084094 22778792 34168188 37015537 68336376 74031074 111046611 148062148 222093222 296124296 444186444 680516411 888372888 1361032822 2041549233 2722065644 4083098466 5444131288 8166196932 8846713343 16332393864 17693426686 26540140029 35386853372 53080280058 70773706744 106160560116 212321120232