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212232012 = 223171040353
BaseRepresentation
bin11001010011001…
…10011101001100
3112210100111120220
430221212131030
5413312411022
633020511340
75154641136
oct1451463514
9483314526
10212232012
11a9888063
125b0ab550
1334c7aa95
1420288056
151397385c
hexca6674c

212232012 has 24 divisors (see below), whose sum is σ = 524338416. Its totient is φ = 66582528.

The previous prime is 212231977. The next prime is 212232049. The reversal of 212232012 is 210232212.

It is a happy number.

212232012 is digitally balanced in base 2, 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 = 212231982 and 212232000.

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, 519973 + ... + 520380.

It is an arithmetic number, because the mean of its divisors is an integer number (21847434).

Almost surely, 2212232012 is an apocalyptic number.

It is an amenable number.

212232012 is an abundant number, since it is smaller than the sum of its proper divisors (312106404).

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

212232012 is a wasteful number, since it uses less digits than its factorization.

212232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040377 (or 1040375 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212232012 is about 14568.1849246912. The cubic root of 212232012 is about 596.4906361835.

Adding to 212232012 its reverse (210232212), we get a palindrome (422464224).

The spelling of 212232012 in words is "two hundred twelve million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1040353 2080706 3121059 4161412 6242118 12484236 17686001 35372002 53058003 70744004 106116006 212232012