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12011444120 = 2351361378671
BaseRepresentation
bin10110010111111000…
…00001011110011000
31011000002122120201202
423023330001132120
5144044412202440
65303514533332
7603440406344
oct131374013630
934002576652
1012011444120
115104168825
1223b2737248
1311956407b0
1481d35a624
154a4781615
hex2cbf01798

12011444120 has 64 divisors (see below), whose sum is σ = 29581856640. Its totient is φ = 4362278400.

The previous prime is 12011444119. The next prime is 12011444161. The reversal of 12011444120 is 2144411021.

12011444120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12011444092 and 12011444101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157616 + ... + 221055.

It is an arithmetic number, because the mean of its divisors is an integer number (462216510).

Almost surely, 212011444120 is an apocalyptic number.

12011444120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011444120 is an abundant number, since it is smaller than the sum of its proper divisors (17570412520).

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

12011444120 is a wasteful number, since it uses less digits than its factorization.

12011444120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378756 (or 378752 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12011444120 its reverse (2144411021), we get a palindrome (14155855141).

The spelling of 12011444120 in words is "twelve billion, eleven million, four hundred forty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 61 65 104 122 130 244 260 305 488 520 610 793 1220 1586 2440 3172 3965 6344 7930 15860 31720 378671 757342 1514684 1893355 3029368 3786710 4922723 7573420 9845446 15146840 19690892 23098931 24613615 39381784 46197862 49227230 92395724 98454460 115494655 184791448 196908920 230989310 300286103 461978620 600572206 923957240 1201144412 1501430515 2402288824 3002861030 6005722060 12011444120