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1201210012001 = 19308320506513
BaseRepresentation
bin10001011110101101101…
…100100011000101100001
311020211112101120002101202
4101132231230203011201
5124140034230341001
62315454523210545
7152533050430556
oct21365554430541
94224471502352
101201210012001
1142348081100a
12174976976a55
13893731a633c
14421d3102a2d
15213a605296b
hex117adb23161

1201210012001 has 8 divisors (see below), whose sum is σ = 1264841783520. Its totient is φ = 1137619259712.

The previous prime is 1201210011959. The next prime is 1201210012033. The reversal of 1201210012001 is 1002100121021.

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 1201210012001 - 214 = 1201209995617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201210012061) 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, 10194680 + ... + 10311833.

It is an arithmetic number, because the mean of its divisors is an integer number (158105222940).

Almost surely, 21201210012001 is an apocalyptic number.

It is an amenable number.

1201210012001 is a deficient number, since it is larger than the sum of its proper divisors (63631771519).

1201210012001 is a wasteful number, since it uses less digits than its factorization.

1201210012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20509615.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201210012001 its reverse (1002100121021), we get a palindrome (2203310133022).

The spelling of 1201210012001 in words is "one trillion, two hundred one billion, two hundred ten million, twelve thousand, one".

Divisors: 1 19 3083 58577 20506513 389623747 63221579579 1201210012001