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1201210010211 = 3400403336737
BaseRepresentation
bin10001011110101101101…
…100100010101001100011
311020211112101112222221110
4101132231230202221203
5124140034230311321
62315454523154403
7152533050422421
oct21365554425143
94224471488843
101201210010211
1142348080a732
12174976975a03
13893731a5593
14421d3102111
15213a6052176
hex117adb22a63

1201210010211 has 4 divisors (see below), whose sum is σ = 1601613346952. Its totient is φ = 800806673472.

The previous prime is 1201210010173. The next prime is 1201210010243. The reversal of 1201210010211 is 1120100121021.

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

It is not a de Polignac number, because 1201210010211 - 210 = 1201210009187 is a prime.

It is a super-2 number, since 2×12012100102112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201210010251) 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, 200201668366 + ... + 200201668371.

It is an arithmetic number, because the mean of its divisors is an integer number (400403336738).

Almost surely, 21201210010211 is an apocalyptic number.

1201210010211 is a deficient number, since it is larger than the sum of its proper divisors (400403336741).

1201210010211 is an equidigital number, since it uses as much as digits as its factorization.

1201210010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400403336740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201210010211 its reverse (1120100121021), we get a palindrome (2321310131232).

The spelling of 1201210010211 in words is "one trillion, two hundred one billion, two hundred ten million, ten thousand, two hundred eleven".

Divisors: 1 3 400403336737 1201210010211