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12120202112011 = 71731457444573
BaseRepresentation
bin1011000001011111010001…
…0101110110110000001011
31120220200100201120001211221
42300113310111312300023
53042034133220041021
641435535522302511
72360440623056530
oct260276425666013
946820321501757
1012120202112011
113953170134744
121438b871b7a37
1369bc12720656
142dc899ad6d87
1516041a9eb241
hexb05f4576c0b

12120202112011 has 4 divisors (see below), whose sum is σ = 13851659556592. Its totient is φ = 10388744667432.

The previous prime is 12120202111967. The next prime is 12120202112041. The reversal of 12120202112011 is 11021120202121.

12120202112011 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 12120202112011 - 27 = 12120202111883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120202112041) 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, 865728722280 + ... + 865728722293.

It is an arithmetic number, because the mean of its divisors is an integer number (3462914889148).

Almost surely, 212120202112011 is an apocalyptic number.

12120202112011 is a deficient number, since it is larger than the sum of its proper divisors (1731457444581).

12120202112011 is an equidigital number, since it uses as much as digits as its factorization.

12120202112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731457444580.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120202112011 its reverse (11021120202121), we get a palindrome (23141322314132).

The spelling of 12120202112011 in words is "twelve trillion, one hundred twenty billion, two hundred two million, one hundred twelve thousand, eleven".

Divisors: 1 7 1731457444573 12120202112011