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1201010223220 = 225193160553219
BaseRepresentation
bin10001011110100001110…
…010011010100001110100
311020211000110121202201021
4101132201302122201310
5124134132104120340
62315423025110524
7152525103313153
oct21364162324164
94224013552637
101201010223220
11423388a62815
1217491ba88444
1389340994222
14421b477759a
152139373ae4a
hex117a1c9a874

1201010223220 has 24 divisors (see below), whose sum is σ = 2654864704800. Its totient is φ = 455119663392.

The previous prime is 1201010223113. The next prime is 1201010223223. The reversal of 1201010223220 is 223220101021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201010223194 and 1201010223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580276230 + ... + 1580276989.

It is an arithmetic number, because the mean of its divisors is an integer number (110619362700).

Almost surely, 21201010223220 is an apocalyptic number.

1201010223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201010223220 is an abundant number, since it is smaller than the sum of its proper divisors (1453854481580).

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

1201010223220 is a wasteful number, since it uses less digits than its factorization.

1201010223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160553247 (or 3160553245 counting only the distinct ones).

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

Adding to 1201010223220 its reverse (223220101021), we get a palindrome (1424230324241).

The spelling of 1201010223220 in words is "one trillion, two hundred one billion, ten million, two hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3160553219 6321106438 12642212876 15802766095 31605532190 60050511161 63211064380 120101022322 240202044644 300252555805 600505111610 1201010223220