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2120220002212 = 221355813730537
BaseRepresentation
bin11110110110100110111…
…101011100011110100100
321111200122202222201202121
4132312212331130132210
5234214202310032322
64302003212515324
7306116012443234
oct36664675343644
97450582881677
102120220002212
117481a8a0a914
122a2ab547bb44
13124c221ba160
1474895103cc4
153a24243dec7
hex1eda6f5c7a4

2120220002212 has 24 divisors (see below), whose sum is σ = 3995876297336. Its totient is φ = 978544205568.

The previous prime is 2120220002209. The next prime is 2120220002213. The reversal of 2120220002212 is 2122000220212.

It can be written as a sum of positive squares in 4 ways, for example, as 15381952576 + 2104838049636 = 124024^2 + 1450806^2 .

It is not an unprimeable number, because it can be changed into a prime (2120220002213) 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, 2537008 + ... + 3267544.

Almost surely, 22120220002212 is an apocalyptic number.

It is an amenable number.

2120220002212 is a deficient number, since it is larger than the sum of its proper divisors (1875656295124).

2120220002212 is a wasteful number, since it uses less digits than its factorization.

2120220002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786367 (or 786365 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2120220002212 its reverse (2122000220212), we get a palindrome (4242220222424).

The spelling of 2120220002212 in words is "two trillion, one hundred twenty billion, two hundred twenty million, two thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 55813 111626 223252 725569 730537 1451138 1461074 2902276 2922148 9496981 18993962 37987924 40773461581 81546923162 163093846324 530055000553 1060110001106 2120220002212