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212001002 = 2314397789
BaseRepresentation
bin11001010001011…
…10000011101010
3112202220202200222
430220232003222
5413233013002
633011530042
75152656503
oct1450560352
9482822628
10212001002
11a973a544
125abb9922
1334bc98a5
1420227baa
151392a1a2
hexca2e0ea

212001002 has 16 divisors (see below), whose sum is σ = 329049600. Its totient is φ = 102334320.

The previous prime is 212001001. The next prime is 212001017. The reversal of 212001002 is 200100212.

It is not an unprimeable number, because it can be changed into a prime (212001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23324 + ... + 31112.

It is an arithmetic number, because the mean of its divisors is an integer number (20565600).

Almost surely, 2212001002 is an apocalyptic number.

212001002 is a deficient number, since it is larger than the sum of its proper divisors (117048598).

212001002 is a wasteful number, since it uses less digits than its factorization.

212001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 212001002 is about 14560.2541873416. The cubic root of 212001002 is about 596.2741351844.

Adding to 212001002 its reverse (200100212), we get a palindrome (412101214).

The spelling of 212001002 in words is "two hundred twelve million, one thousand, two".

Divisors: 1 2 31 62 439 878 7789 13609 15578 27218 241459 482918 3419371 6838742 106000501 212001002