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1201222001201 = 10797711490659
BaseRepresentation
bin10001011110101110011…
…010010010001000110001
311020211120020010012111012
4101132232122102020301
5124140100313014301
62315500032200305
7152533254353525
oct21365632221061
94224506105435
101201222001201
1142348755a742
1217497a999095
1389375813441
14421d4943d85
15213a711eebb
hex117ae692231

1201222001201 has 8 divisors (see below), whose sum is σ = 1213689471840. Its totient is φ = 1188777514048.

The previous prime is 1201222001197. The next prime is 1201222001209. The reversal of 1201222001201 is 1021002221021.

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 1201222001201 - 22 = 1201222001197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201222001209) 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, 5640791 + ... + 5849868.

It is an arithmetic number, because the mean of its divisors is an integer number (151711183980).

Almost surely, 21201222001201 is an apocalyptic number.

It is an amenable number.

1201222001201 is a deficient number, since it is larger than the sum of its proper divisors (12467470639).

1201222001201 is a wasteful number, since it uses less digits than its factorization.

1201222001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491743.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201222001201 its reverse (1021002221021), we get a palindrome (2222224222222).

The spelling of 1201222001201 in words is "one trillion, two hundred one billion, two hundred twenty-two million, one thousand, two hundred one".

Divisors: 1 107 977 104539 11490659 1229500513 11226373843 1201222001201