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11220201012 = 2233738365981
BaseRepresentation
bin10100111001100011…
…01010111000110100
31001221221210021020110
422130301222320310
5140434332413022
65053211503020
7545022064206
oct123461527064
931857707213
1011220201012
1148385690a9
122211757a70
13109a7356c7
14786230776
1545a08900c
hex29cc6ae34

11220201012 has 48 divisors (see below), whose sum is σ = 26958661632. Its totient is φ = 3629427840.

The previous prime is 11220201011. The next prime is 11220201037. The reversal of 11220201012 is 21010202211.

11220201012 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220201011) 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 15 ways as a sum of consecutive naturals, for example, 137062 + ... + 203042.

It is an arithmetic number, because the mean of its divisors is an integer number (561638784).

Almost surely, 211220201012 is an apocalyptic number.

11220201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220201012 is an abundant number, since it is smaller than the sum of its proper divisors (15738460620).

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

11220201012 is a wasteful number, since it uses less digits than its factorization.

11220201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66408 (or 66406 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11220201012 its reverse (21010202211), we get a palindrome (32230403223).

The spelling of 11220201012 in words is "eleven billion, two hundred twenty million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 383 444 766 1149 1532 2298 4596 14171 28342 42513 56684 65981 85026 131962 170052 197943 263924 395886 791772 2441297 4882594 7323891 9765188 14647782 25270723 29295564 50541446 75812169 101082892 151624338 303248676 935016751 1870033502 2805050253 3740067004 5610100506 11220201012