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12332142220 = 225756181551
BaseRepresentation
bin10110111110000110…
…11000111010001100
31011211110002201211011
423133003120322030
5200224012022340
65355412335004
7614413323256
oct133703307214
934743081734
1012332142220
115259199a82
122482014464
131216c07698
1484db9acd6
154c29cd0ea
hex2df0d8e8c

12332142220 has 24 divisors (see below), whose sum is σ = 25901241408. Its totient is φ = 4932144000.

The previous prime is 12332142211. The next prime is 12332142247. The reversal of 12332142220 is 2224123321.

It is a junction number, because it is equal to n+sod(n) for n = 12332142191 and 12332142200.

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, 110445 + ... + 191995.

It is an arithmetic number, because the mean of its divisors is an integer number (1079218392).

Almost surely, 212332142220 is an apocalyptic number.

12332142220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12332142220 is an abundant number, since it is smaller than the sum of its proper divisors (13569099188).

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

12332142220 is a wasteful number, since it uses less digits than its factorization.

12332142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89121 (or 89119 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12332142220 its reverse (2224123321), we get a palindrome (14556265541).

The spelling of 12332142220 in words is "twelve billion, three hundred thirty-two million, one hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7561 15122 30244 37805 75610 81551 151220 163102 326204 407755 815510 1631020 616607111 1233214222 2466428444 3083035555 6166071110 12332142220