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2012211110001 = 39712547551113
BaseRepresentation
bin11101010010000001001…
…000001110000001110001
321010100212110012111210110
4131102001020032001301
5230432002021010001
64140221431251533
7265243316140611
oct35220110160161
97110773174713
102012211110001
11706412793534
12285b91519ba9
1311799b373051
146d56a542a41
153752004e3d6
hex1d48120e071

2012211110001 has 16 divisors (see below), whose sum is σ = 2710828361024. Its totient is φ = 1327536221184.

The previous prime is 2012211109999. The next prime is 2012211110023. The reversal of 2012211110001 is 1000111122102.

It is not a de Polignac number, because 2012211110001 - 21 = 2012211109999 is a prime.

It is a super-2 number, since 2×20122111100012 (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 (2012211110051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375621 + ... + 3926733.

It is an arithmetic number, because the mean of its divisors is an integer number (169426772564).

Almost surely, 22012211110001 is an apocalyptic number.

It is an amenable number.

2012211110001 is a deficient number, since it is larger than the sum of its proper divisors (698617251023).

2012211110001 is a wasteful number, since it uses less digits than its factorization.

2012211110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563760.

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

Adding to 2012211110001 its reverse (1000111122102), we get a palindrome (3012322232103).

It can be divided in two parts, 2012211 and 110001, that added together give a palindrome (2122212).

The spelling of 2012211110001 in words is "two trillion, twelve billion, two hundred eleven million, one hundred ten thousand, one".

Divisors: 1 3 97 291 12547 37641 551113 1217059 1653339 3651177 53457961 160373883 6914814811 20744444433 670737036667 2012211110001