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1212010311323 = 7199870072011
BaseRepresentation
bin10001101000110001011…
…100011010111010011011
311021212102002020010210202
4101220301130122322123
5124324144114430243
62324442335132415
7153364513443650
oct21506134327233
94255362203722
101212010311323
11428013250819
12176a8b97410b
138a3a491c9b6
144293966bc27
15217d92e64b8
hex11a3171ae9b

1212010311323 has 8 divisors (see below), whose sum is σ = 1392115219200. Its totient is φ = 1033645547880.

The previous prime is 1212010311307. The next prime is 1212010311331. The reversal of 1212010311323 is 3231130102121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212010311323 - 24 = 1212010311307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212010311295 and 1212010311304.

It is not an unprimeable number, because it can be changed into a prime (1212010311023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435034613 + ... + 435037398.

It is an arithmetic number, because the mean of its divisors is an integer number (174014402400).

Almost surely, 21212010311323 is an apocalyptic number.

1212010311323 is a deficient number, since it is larger than the sum of its proper divisors (180104907877).

1212010311323 is an equidigital number, since it uses as much as digits as its factorization.

1212010311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870072217.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1212010311323 its reverse (3231130102121), we get a palindrome (4443140413444).

The spelling of 1212010311323 in words is "one trillion, two hundred twelve billion, ten million, three hundred eleven thousand, three hundred twenty-three".

Divisors: 1 7 199 1393 870072011 6090504077 173144330189 1212010311323