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11220232012 = 2211255005273
BaseRepresentation
bin10100111001100011…
…10010011101001100
31001221221211211202121
422130301302131030
5140434334411022
65053212302324
7545022253453
oct123461623514
931857754677
1011220232012
11483858a420
1222117719a4
13109a746852
1478623bb9a
1545a0932c7
hex29cc7274c

11220232012 has 12 divisors (see below), whose sum is σ = 21420443016. Its totient is φ = 5100105440.

The previous prime is 11220232007. The next prime is 11220232019. The reversal of 11220232012 is 21023202211.

It is a happy number.

11220232012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11220232019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 127502593 + ... + 127502680.

It is an arithmetic number, because the mean of its divisors is an integer number (1785036918).

Almost surely, 211220232012 is an apocalyptic number.

It is an amenable number.

11220232012 is a deficient number, since it is larger than the sum of its proper divisors (10200211004).

11220232012 is a wasteful number, since it uses less digits than its factorization.

11220232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255005288 (or 255005286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220232012 its reverse (21023202211), we get a palindrome (32243434223).

The spelling of 11220232012 in words is "eleven billion, two hundred twenty million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 255005273 510010546 1020021092 2805058003 5610116006 11220232012