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1210131300222 = 2331321011737589
BaseRepresentation
bin10001100111000001011…
…100100011111101111110
311021200120010112111011000
4101213001130203331332
5124311322103101342
62323532053311130
7153300116222325
oct21470134437576
94250503474130
101210131300222
11427239630989
121766466354a6
138a165557700
14427dbca90bc
152172938244c
hex119c1723f7e

1210131300222 has 192 divisors, whose sum is σ = 2958172747200. Its totient is φ = 366482188800.

The previous prime is 1210131300151. The next prime is 1210131300241. The reversal of 1210131300222 is 2220031310121.

1210131300222 is a `hidden beast` number, since 1 + 2 + 10 + 131 + 300 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1210131300195 and 1210131300204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159454804 + ... + 159462392.

It is an arithmetic number, because the mean of its divisors is an integer number (15407149725).

Almost surely, 21210131300222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210131300222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479086373600).

1210131300222 is an abundant number, since it is smaller than the sum of its proper divisors (1748041446978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210131300222 is a wasteful number, since it uses less digits than its factorization.

1210131300222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7881 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1210131300222 its reverse (2220031310121), we get a palindrome (3430162610343).

The spelling of 1210131300222 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, three hundred thousand, two hundred twenty-two".