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12002002010 = 252521476081
BaseRepresentation
bin10110010110110000…
…00000010001011010
31010222102212212120222
423023120000101122
5144040003031020
65302540320042
7603264222335
oct131330002132
933872785528
1012002002010
1150a98a9829
1223ab543022
1311936b5b4b
1481bdbd61c
154a3a18b25
hex2cb60045a

12002002010 has 16 divisors (see below), whose sum is σ = 21612218472. Its totient is φ = 4798886400.

The previous prime is 12002002009. The next prime is 12002002043. The reversal of 12002002010 is 1020020021.

It can be written as a sum of positive squares in 4 ways, for example, as 6789595201 + 5212406809 = 82399^2 + 72197^2 .

It is a Curzon number.

It is an unprimeable number.

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, 212831 + ... + 263250.

Almost surely, 212002002010 is an apocalyptic number.

12002002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002002010 is a deficient number, since it is larger than the sum of its proper divisors (9610216462).

12002002010 is a wasteful number, since it uses less digits than its factorization.

12002002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478609.

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

Adding to 12002002010 its reverse (1020020021), we get a palindrome (13022022031).

The spelling of 12002002010 in words is "twelve billion, two million, two thousand, ten".

Divisors: 1 2 5 10 2521 5042 12605 25210 476081 952162 2380405 4760810 1200200201 2400400402 6001001005 12002002010