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2122012100212 = 221992665844347
BaseRepresentation
bin11110111000010001110…
…001110000011001110100
321111212021200010202001121
4132320101301300121310
5234231340044201322
64302501111433324
7306211303146604
oct36702161603164
97455250122047
102122012100212
11748a38567644
122a3315685844
13125149571584
14749c5120c04
153a2e9935ec7
hex1ee11c70674

2122012100212 has 12 divisors (see below), whose sum is σ = 3732182087200. Its totient is φ = 1055674361016.

The previous prime is 2122012100207. The next prime is 2122012100233. The reversal of 2122012100212 is 2120012102212.

It is a happy number.

It is a super-2 number, since 2×21220121002122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332921378 + ... + 1332922969.

Almost surely, 22122012100212 is an apocalyptic number.

It is an amenable number.

2122012100212 is a deficient number, since it is larger than the sum of its proper divisors (1610169986988).

2122012100212 is a wasteful number, since it uses less digits than its factorization.

2122012100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665844550 (or 2665844548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122012100212 its reverse (2120012102212), we get a palindrome (4242024202424).

The spelling of 2122012100212 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 199 398 796 2665844347 5331688694 10663377388 530503025053 1061006050106 2122012100212