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1201220220030 = 23540040674001
BaseRepresentation
bin10001011110101110010…
…011011111010001111110
311020211120002202201011220
4101132232103133101332
5124140044334020110
62315455530054210
7152533233254565
oct21365623372176
94224502681156
101201220220030
114234865534a6
1217497a27a366
138937533b7ac
14421d45dcbdc
15213a6dbc370
hex117ae4df47e

1201220220030 has 16 divisors (see below), whose sum is σ = 2882928528144. Its totient is φ = 320325392000.

The previous prime is 1201220220029. The next prime is 1201220220059. The reversal of 1201220220030 is 300220221021.

It is a happy number.

It is a super-2 number, since 2×12012202200302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1201220219991 and 1201220220009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20020336971 + ... + 20020337030.

It is an arithmetic number, because the mean of its divisors is an integer number (180183033009).

Almost surely, 21201220220030 is an apocalyptic number.

1201220220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201220220030 is an abundant number, since it is smaller than the sum of its proper divisors (1681708308114).

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

1201220220030 is a wasteful number, since it uses less digits than its factorization.

1201220220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40040674011.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1201220220030 its reverse (300220221021), we get a palindrome (1501440441051).

Subtracting from 1201220220030 its reverse (300220221021), we obtain a palindrome (900999999009).

The spelling of 1201220220030 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 40040674001 80081348002 120122022003 200203370005 240244044006 400406740010 600610110015 1201220220030