Search a number
-
+
12010212011101 = 64718562924283
BaseRepresentation
bin1010111011000101100001…
…1010111010110001011101
31120112011110022210000110211
42232301120122322301131
53033233403233323401
641313225404532421
72346465151455433
oct256613032726135
946464408700424
1012010212011101
1139105586359a7
12141b7ab851111
136917342ab3c5
142d7423d6cd53
1515c62e70b951
hexaec586bac5d

12010212011101 has 4 divisors (see below), whose sum is σ = 12028774936032. Its totient is φ = 11991649086172.

The previous prime is 12010212011081. The next prime is 12010212011131. The reversal of 12010212011101 is 10111021201021.

It is a happy number.

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 12010212011101 - 213 = 12010212002909 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 (12010212011131) 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, 9281461495 + ... + 9281462788.

It is an arithmetic number, because the mean of its divisors is an integer number (3007193734008).

Almost surely, 212010212011101 is an apocalyptic number.

It is an amenable number.

12010212011101 is a deficient number, since it is larger than the sum of its proper divisors (18562924931).

12010212011101 is an equidigital number, since it uses as much as digits as its factorization.

12010212011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562924930.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12010212011101 its reverse (10111021201021), we get a palindrome (22121233212122).

The spelling of 12010212011101 in words is "twelve trillion, ten billion, two hundred twelve million, eleven thousand, one hundred one".

Divisors: 1 647 18562924283 12010212011101