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122212006 = 278729429
BaseRepresentation
bin1110100100011…
…00111010100110
322111222000100121
413102030322212
5222241241011
620043232154
73012533140
oct722147246
9274860317
10122212006
1162a92764
1234b1865a
131c41c9c7
1412333c90
15aae0e71
hex748cea6

122212006 has 8 divisors (see below), whose sum is σ = 209506320. Its totient is φ = 52376568.

The previous prime is 122211989. The next prime is 122212007. The reversal of 122212006 is 600212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364701 + ... + 4364728.

It is an arithmetic number, because the mean of its divisors is an integer number (26188290).

Almost surely, 2122212006 is an apocalyptic number.

122212006 is a deficient number, since it is larger than the sum of its proper divisors (87294314).

122212006 is an equidigital number, since it uses as much as digits as its factorization.

122212006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729438.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122212006 is about 11054.9539121608. The cubic root of 122212006 is about 496.2546900220.

Adding to 122212006 its reverse (600212221), we get a palindrome (722424227).

The spelling of 122212006 in words is "one hundred twenty-two million, two hundred twelve thousand, six".

Divisors: 1 2 7 14 8729429 17458858 61106003 122212006