Search a number
-
+
12210421303 = 42292887307
BaseRepresentation
bin10110101111100110…
…00011111000110111
31011111222001200010001
423113303003320313
5200001331440203
65335343412131
7611404603633
oct132763037067
934458050101
1012210421303
1151a6512283
1224492b4047
1311c792a382
1483b953dc3
154b6e8791d
hex2d7cc3e37

12210421303 has 4 divisors (see below), whose sum is σ = 12213312840. Its totient is φ = 12207529768.

The previous prime is 12210421277. The next prime is 12210421337. The reversal of 12210421303 is 30312401221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30312401221 = 39461768161.

It is a cyclic number.

It is not a de Polignac number, because 12210421303 - 221 = 12208324151 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 (12210421103) 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, 1439425 + ... + 1447882.

It is an arithmetic number, because the mean of its divisors is an integer number (3053328210).

Almost surely, 212210421303 is an apocalyptic number.

12210421303 is a deficient number, since it is larger than the sum of its proper divisors (2891537).

12210421303 is an equidigital number, since it uses as much as digits as its factorization.

12210421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891536.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12210421303 its reverse (30312401221), we get a palindrome (42522822524).

The spelling of 12210421303 in words is "twelve billion, two hundred ten million, four hundred twenty-one thousand, three hundred three".

Divisors: 1 4229 2887307 12210421303