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2122012100202 = 232271558011821
BaseRepresentation
bin11110111000010001110…
…001110000011001101010
321111212021200010202001020
4132320101301300121222
5234231340044201302
64302501111433310
7306211303146561
oct36702161603152
97455250122036
102122012100202
11748a38567635
122a3315685836
13125149571577
14749c5120bd8
153a2e9935ebc
hex1ee11c7066a

2122012100202 has 16 divisors (see below), whose sum is σ = 4262720344992. Its totient is φ = 704221342640.

The previous prime is 2122012100191. The next prime is 2122012100207. The reversal of 2122012100202 is 2020012102212.

It is not an unprimeable number, because it can be changed into a prime (2122012100207) 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, 779004549 + ... + 779007272.

It is an arithmetic number, because the mean of its divisors is an integer number (266420021562).

Almost surely, 22122012100202 is an apocalyptic number.

2122012100202 is an abundant number, since it is smaller than the sum of its proper divisors (2140708244790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122012100202 is a wasteful number, since it uses less digits than its factorization.

2122012100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558012053.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122012100202 its reverse (2020012102212), we get a palindrome (4142024202414).

The spelling of 2122012100202 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred thousand, two hundred two".

Divisors: 1 2 3 6 227 454 681 1362 1558011821 3116023642 4674035463 9348070926 353668683367 707337366734 1061006050101 2122012100202