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12210020110 = 251221002011
BaseRepresentation
bin10110101111100011…
…00001111100001110
31011111221022021210001
423113301201330032
5200001231120420
65335331034514
7611401313161
oct132761417416
934457267701
1012210020110
1151a6268912
12244913ba3a
1311c7819892
1483b88bad8
154b6e08b0a
hex2d7c61f0e

12210020110 has 8 divisors (see below), whose sum is σ = 21978036216. Its totient is φ = 4884008040.

The previous prime is 12210020107. The next prime is 12210020111. The reversal of 12210020110 is 1102001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1221002011 = 12210020110 / (1 + 2 + 2 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610500996 + ... + 610501015.

It is an arithmetic number, because the mean of its divisors is an integer number (2747254527).

Almost surely, 212210020110 is an apocalyptic number.

12210020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210020110 is a deficient number, since it is larger than the sum of its proper divisors (9768016106).

12210020110 is a wasteful number, since it uses less digits than its factorization.

12210020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221002018.

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

Adding to 12210020110 its reverse (1102001221), we get a palindrome (13312021331).

The spelling of 12210020110 in words is "twelve billion, two hundred ten million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 1221002011 2442004022 6105010055 12210020110