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12201210211222 = 26100605105611
BaseRepresentation
bin1011000110001101000011…
…0011001110101110010110
31121012102110022120212222201
42301203100303032232112
53044401034303224342
641541054131115114
72366336235414064
oct261432063165626
947172408525881
1012201210211222
11398456009666a
121450814742a9a
136a6752669c76
143027826cb034
151625ac74adb7
hexb18d0cceb96

12201210211222 has 4 divisors (see below), whose sum is σ = 18301815316836. Its totient is φ = 6100605105610.

The previous prime is 12201210211219. The next prime is 12201210211249. The reversal of 12201210211222 is 22211201210221.

12201210211222 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 self number, because there is not a number n which added to its sum of digits gives 12201210211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050302552804 + ... + 3050302552807.

It is an arithmetic number, because the mean of its divisors is an integer number (4575453829209).

Almost surely, 212201210211222 is an apocalyptic number.

12201210211222 is a deficient number, since it is larger than the sum of its proper divisors (6100605105614).

12201210211222 is an equidigital number, since it uses as much as digits as its factorization.

12201210211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100605105613.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201210211222 its reverse (22211201210221), we get a palindrome (34412411421443).

The spelling of 12201210211222 in words is "twelve trillion, two hundred one billion, two hundred ten million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 6100605105611 12201210211222