Search a number
-
+
12012230120203 = 64108918737227
BaseRepresentation
bin1010111011001101000010…
…1101011001001100001011
31120112100122222012120201101
42232303100231121030023
53033302021402321303
641314201540002231
72346566155222435
oct256632055311413
946470588176641
1012012230120203
1139113a3821165
121420073690377
136919964262c1
142d7575dbd655
1515c6eb999d1d
hexaecd0b5930b

12012230120203 has 4 divisors (see below), whose sum is σ = 12012249498520. Its totient is φ = 12012210741888.

The previous prime is 12012230120123. The next prime is 12012230120207. The reversal of 12012230120203 is 30202103221021.

12012230120203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12012230120203 - 29 = 12012230119691 is a prime.

It is a super-2 number, since 2×120122301202032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012230120207) 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, 8727525 + ... + 10009702.

It is an arithmetic number, because the mean of its divisors is an integer number (3003062374630).

Almost surely, 212012230120203 is an apocalyptic number.

12012230120203 is a deficient number, since it is larger than the sum of its proper divisors (19378317).

12012230120203 is an equidigital number, since it uses as much as digits as its factorization.

12012230120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378316.

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

Adding to 12012230120203 its reverse (30202103221021), we get a palindrome (42214333341224).

The spelling of 12012230120203 in words is "twelve trillion, twelve billion, two hundred thirty million, one hundred twenty thousand, two hundred three".

Divisors: 1 641089 18737227 12012230120203