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12210012010 = 257213181853
BaseRepresentation
bin10110101111100010…
…11111111101101010
31011111221021212200001
423113301133331222
5200001230341020
65335330533214
7611401250440
oct132761377552
934457255601
1012210012010
1151a6262819
12244913720a
1311c7815ca1
1483b888b90
154b6e0650a
hex2d7c5ff6a

12210012010 has 32 divisors (see below), whose sum is σ = 25129832832. Its totient is φ = 4184274240.

The previous prime is 12210011993. The next prime is 12210012037. The reversal of 12210012010 is 1021001221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108244 + ... + 190096.

It is an arithmetic number, because the mean of its divisors is an integer number (785307276).

Almost surely, 212210012010 is an apocalyptic number.

12210012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210012010 is an abundant number, since it is smaller than the sum of its proper divisors (12919820822).

12210012010 is a wasteful number, since it uses less digits than its factorization.

12210012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83998.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12210012010 its reverse (1021001221), we get a palindrome (13231013231).

The spelling of 12210012010 in words is "twelve billion, two hundred ten million, twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 2131 4262 10655 14917 21310 29834 74585 81853 149170 163706 409265 572971 818530 1145942 2864855 5729710 174428743 348857486 872143715 1221001201 1744287430 2442002402 6105006005 12210012010