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12210000011 = 112100909091
BaseRepresentation
bin10110101111100010…
…11101000010001011
31011111221021021012122
423113301131002023
5200001230000021
65335330401455
7611401200446
oct132761350213
934457237178
1012210000011
1151a6254800
12244913028b
1311c78106a1
1483b88465d
154b6e02bab
hex2d7c5d08b

12210000011 has 6 divisors (see below), whose sum is σ = 13420909236. Its totient is φ = 11099999900.

The previous prime is 12209999999. The next prime is 12210000013. The reversal of 12210000011 is 11000001221.

It is a de Polignac number, because none of the positive numbers 2k-12210000011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210000013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50454425 + ... + 50454666.

It is an arithmetic number, because the mean of its divisors is an integer number (2236818206).

Almost surely, 212210000011 is an apocalyptic number.

12210000011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210000011 is a deficient number, since it is larger than the sum of its proper divisors (1210909225).

12210000011 is a wasteful number, since it uses less digits than its factorization.

12210000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100909113 (or 100909102 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12210000011 its reverse (11000001221), we get a palindrome (23210001232).

The spelling of 12210000011 in words is "twelve billion, two hundred ten million, eleven", and thus it is an aban number.

Divisors: 1 11 121 100909091 1110000001 12210000011