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2012231021201 = 47137312506759
BaseRepresentation
bin11101010010000010010…
…100001011001010010001
321010100220211200002211022
4131102002110023022101
5230432022120134301
64140223422125225
7265243650320012
oct35220224131221
97110824602738
102012231021201
11706422a53075
12285b98120815
131179a2524c1b
146d56d047009
1537521b83d1b
hex1d48250b291

2012231021201 has 8 divisors (see below), whose sum is σ = 2070044778240. Its totient is φ = 1955042278048.

The previous prime is 2012231021161. The next prime is 2012231021209. The reversal of 2012231021201 is 1021201322102.

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 2012231021201 - 226 = 2012163912337 is a prime.

It is a super-2 number, since 2×20122310212012 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012231021201.

It is not an unprimeable number, because it can be changed into a prime (2012231021209) 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, 156246941 + ... + 156259818.

It is an arithmetic number, because the mean of its divisors is an integer number (258755597280).

Almost surely, 22012231021201 is an apocalyptic number.

It is an amenable number.

2012231021201 is a deficient number, since it is larger than the sum of its proper divisors (57813757039).

2012231021201 is a wasteful number, since it uses less digits than its factorization.

2012231021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312506943.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2012231021201 its reverse (1021201322102), we get a palindrome (3033432343303).

The spelling of 2012231021201 in words is "two trillion, twelve billion, two hundred thirty-one million, twenty-one thousand, two hundred one".

Divisors: 1 47 137 6439 312506759 14687817673 42813425983 2012231021201