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120221021212001 = 413498401776589
BaseRepresentation
bin11011010101011100100011…
…010000111000110101100001
3120202200000110200011221012022
4123111130203100320311201
5111224200122412241001
61103404435200311225
734215452656403423
oct3325344320706541
9522600420157168
10120221021212001
11353404a3356096
1211597780912515
135210a41879918
142198a2ad06813
15dd735831711b
hex6d5723438d61

120221021212001 has 8 divisors (see below), whose sum is σ = 123506115873000. Its totient is φ = 116952730104960.

The previous prime is 120221021211989. The next prime is 120221021212037. The reversal of 120221021212001 is 100212120122021.

It can be written as a sum of positive squares in 4 ways, for example, as 1329584261776 + 118891436950225 = 1153076^2 + 10903735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120221021212001 - 210 = 120221021210977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221021242001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4200873986 + ... + 4200902603.

It is an arithmetic number, because the mean of its divisors is an integer number (15438264484125).

Almost surely, 2120221021212001 is an apocalyptic number.

It is an amenable number.

120221021212001 is a deficient number, since it is larger than the sum of its proper divisors (3285094660999).

120221021212001 is an equidigital number, since it uses as much as digits as its factorization.

120221021212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401776979.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221021212001 its reverse (100212120122021), we get a palindrome (220433141334022).

The spelling of 120221021212001 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty-one million, two hundred twelve thousand, one".

Divisors: 1 41 349 14309 8401776589 344472840149 2932220029561 120221021212001