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12200112222011 = 71742873174573
BaseRepresentation
bin1011000110001000111101…
…0110101110111100111011
31121012022121210112020221122
42301202033112232330323
53044341312212101021
641540353145255455
72366300103564260
oct261421726567473
947168553466848
1012200112222011
11398404732506a
121450568a9458b
136a66090415cc
143026ba953267
15162546160bab
hexb188f5aef3b

12200112222011 has 4 divisors (see below), whose sum is σ = 13942985396592. Its totient is φ = 10457239047432.

The previous prime is 12200112221977. The next prime is 12200112222031. The reversal of 12200112222011 is 11022221100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12200112222011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12200112222031) 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, 871436587280 + ... + 871436587293.

It is an arithmetic number, because the mean of its divisors is an integer number (3485746349148).

Almost surely, 212200112222011 is an apocalyptic number.

12200112222011 is a deficient number, since it is larger than the sum of its proper divisors (1742873174581).

12200112222011 is an equidigital number, since it uses as much as digits as its factorization.

12200112222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742873174580.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12200112222011 its reverse (11022221100221), we get a palindrome (23222333322232).

The spelling of 12200112222011 in words is "twelve trillion, two hundred billion, one hundred twelve million, two hundred twenty-two thousand, eleven".

Divisors: 1 7 1742873174573 12200112222011