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120012022101221 = 1109383579129443
BaseRepresentation
bin11011010010011001111001…
…111100100011010011100101
3120201221001000011111001110122
4123102121321330203103211
5111212234110124214341
61103124432320131325
734164403533311015
oct3322317174432345
9521831004431418
10120012022101221
113526a8a3850858
1211563173466b45
1351c711502c133
14218c8819a1c45
15dd1bc4cde94b
hex6d2679f234e5

120012022101221 has 8 divisors (see below), whose sum is σ = 120025204094880. Its totient is φ = 119998840555792.

The previous prime is 120012022101217. The next prime is 120012022101299. The reversal of 120012022101221 is 122101220210021.

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 120012022101221 - 22 = 120012022101217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012022101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012022107221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927077126 + ... + 927206568.

It is an arithmetic number, because the mean of its divisors is an integer number (15003150511860).

Almost surely, 2120012022101221 is an apocalyptic number.

It is an amenable number.

120012022101221 is a deficient number, since it is larger than the sum of its proper divisors (13181993659).

120012022101221 is a wasteful number, since it uses less digits than its factorization.

120012022101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224115.

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

Adding to 120012022101221 its reverse (122101220210021), we get a palindrome (242113242311242).

The spelling of 120012022101221 in words is "one hundred twenty trillion, twelve billion, twenty-two million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 11093 83579 129443 927141847 1435911199 10818716497 120012022101221