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2120211012212 = 221759528467351
BaseRepresentation
bin11110110110100110011…
…011001001101001110100
321111200122011001222210122
4132312212123021221310
5234214143004342322
64302002252111112
7306115543151306
oct36664633115164
97450564058718
102120211012212
117481a392a567
122a2ab2465498
13124c20390227
1474893c43976
153a241765442
hex1eda66c9a74

2120211012212 has 24 divisors (see below), whose sum is σ = 3995213181120. Its totient is φ = 980835401600.

The previous prime is 2120211012209. The next prime is 2120211012259. The reversal of 2120211012212 is 2122101120212.

It is a super-2 number, since 2×21202110122122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264229664 + ... + 264237687.

It is an arithmetic number, because the mean of its divisors is an integer number (166467215880).

Almost surely, 22120211012212 is an apocalyptic number.

It is an amenable number.

2120211012212 is a deficient number, since it is larger than the sum of its proper divisors (1875002168908).

2120211012212 is a wasteful number, since it uses less digits than its factorization.

2120211012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528467431 (or 528467429 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120211012212 its reverse (2122101120212), we get a palindrome (4242312132424).

The spelling of 2120211012212 in words is "two trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 17 34 59 68 118 236 1003 2006 4012 528467351 1056934702 2113869404 8983944967 17967889934 31179573709 35935779868 62359147418 124718294836 530052753053 1060105506106 2120211012212