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12210203101 = 85914214439
BaseRepresentation
bin10110101111100100…
…01110100111011101
31011111221122120210111
423113302032213131
5200001302444401
65335335010021
7611403004525
oct132762164735
934457576714
1012210203101
1151a6383348
122449209911
1311c7881c65
1483b8d8685
154b6e42e51
hex2d7c8e9dd

12210203101 has 4 divisors (see below), whose sum is σ = 12224418400. Its totient is φ = 12195987804.

The previous prime is 12210203099. The next prime is 12210203113. The reversal of 12210203101 is 10130201221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12210203101 - 21 = 12210203099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210203141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7106361 + ... + 7108078.

It is an arithmetic number, because the mean of its divisors is an integer number (3056104600).

Almost surely, 212210203101 is an apocalyptic number.

It is an amenable number.

12210203101 is a deficient number, since it is larger than the sum of its proper divisors (14215299).

12210203101 is an equidigital number, since it uses as much as digits as its factorization.

12210203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215298.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12210203101 its reverse (10130201221), we get a palindrome (22340404322).

The spelling of 12210203101 in words is "twelve billion, two hundred ten million, two hundred three thousand, one hundred one".

Divisors: 1 859 14214439 12210203101