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12002020210 = 256717913463
BaseRepresentation
bin10110010110110000…
…00100101101110010
31010222102220210120001
423023120010231302
5144040004121320
65302540540214
7603264326365
oct131330045562
933872823501
1012002020210
1150a9911474
1223ab55166a
1311936c120b
1481bdc60dc
154a3a1e20a
hex2cb604b72

12002020210 has 16 divisors (see below), whose sum is σ = 21926079936. Its totient is φ = 4729153968.

The previous prime is 12002020201. The next prime is 12002020223. The reversal of 12002020210 is 1202020021.

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

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, 8956062 + ... + 8957401.

It is an arithmetic number, because the mean of its divisors is an integer number (1370379996).

Almost surely, 212002020210 is an apocalyptic number.

12002020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002020210 is a deficient number, since it is larger than the sum of its proper divisors (9924059726).

12002020210 is a wasteful number, since it uses less digits than its factorization.

12002020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17913537.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12002020210 its reverse (1202020021), we get a palindrome (13204040231).

The spelling of 12002020210 in words is "twelve billion, two million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 67 134 335 670 17913463 35826926 89567315 179134630 1200202021 2400404042 6001010105 12002020210