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BaseRepresentation
bin10010000010111100011…
…100101100101111001101
311101112221112221001221012
4102002330130230233031
5130304222212034013
62345411044415005
7155411064646112
oct22027434545715
94345845831835
101240112221133
11438a24023575
121804130a7465
138cc3299c5b6
1444043988909
15223d148d1a8
hex120bc72cbcd

1240112221133 has 4 divisors (see below), whose sum is σ = 1240132770240. Its totient is φ = 1240091672028.

The previous prime is 1240112221079. The next prime is 1240112221199. The reversal of 1240112221133 is 3311222110421.

Adding to 1240112221133 its reverse (3311222110421), we get a palindrome (4551334331554).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1240112221133 - 26 = 1240112221069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240112221099 and 1240112221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240172221133) 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, 10183763 + ... + 10304816.

It is an arithmetic number, because the mean of its divisors is an integer number (310033192560).

Almost surely, 21240112221133 is an apocalyptic number.

It is an amenable number.

1240112221133 is a deficient number, since it is larger than the sum of its proper divisors (20549107).

1240112221133 is an equidigital number, since it uses as much as digits as its factorization.

1240112221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20549106.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1240112221133 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 60527 20488579 1240112221133