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120221203221233 = 373322308855821
BaseRepresentation
bin11011010101011100101110…
…000111001100101011110001
3120202200000221100122221220222
4123111130232013030223301
5111224201011011034413
61103404505221342425
734215460326430532
oct3325345607145361
9522600840587828
10120221203221233
1135340587070344
1211597811867a15
135210a704a51aa
142198a47164689
15dd73692bab08
hex6d572e1ccaf1

120221203221233 has 4 divisors (see below), whose sum is σ = 120543512077428. Its totient is φ = 119898894365040.

The previous prime is 120221203221193. The next prime is 120221203221239. The reversal of 120221203221233 is 332122302122021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92201034966769 + 28020168254464 = 9602137^2 + 5293408^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221203221233 - 214 = 120221203204849 is a prime.

It is a super-2 number, since 2×1202212032212332 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221203221239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161154427538 + ... + 161154428283.

It is an arithmetic number, because the mean of its divisors is an integer number (30135878019357).

Almost surely, 2120221203221233 is an apocalyptic number.

It is an amenable number.

120221203221233 is a deficient number, since it is larger than the sum of its proper divisors (322308856195).

120221203221233 is an equidigital number, since it uses as much as digits as its factorization.

120221203221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322308856194.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 120221203221233 its reverse (332122302122021), we get a palindrome (452343505343254).

The spelling of 120221203221233 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred three million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 373 322308855821 120221203221233