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122212010 = 2559207139
BaseRepresentation
bin1110100100011…
…00111010101010
322111222000100202
413102030322222
5222241241020
620043232202
73012533144
oct722147252
9274860322
10122212010
1162a92768
1234b18662
131c41c9cb
1412333c94
15aae0e75
hex748ceaa

122212010 has 16 divisors (see below), whose sum is σ = 223711200. Its totient is φ = 48056016.

The previous prime is 122212007. The next prime is 122212043. The reversal of 122212010 is 10212221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122211982 and 122212000.

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, 102980 + ... + 104159.

It is an arithmetic number, because the mean of its divisors is an integer number (13981950).

Almost surely, 2122212010 is an apocalyptic number.

122212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122212010 is a deficient number, since it is larger than the sum of its proper divisors (101499190).

122212010 is a wasteful number, since it uses less digits than its factorization.

122212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207205.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122212010 is about 11054.9540930752. The cubic root of 122212010 is about 496.2546954362.

Adding to 122212010 its reverse (10212221), we get a palindrome (132424231).

The spelling of 122212010 in words is "one hundred twenty-two million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 59 118 295 590 207139 414278 1035695 2071390 12221201 24442402 61106005 122212010