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20212201012120 = 2351338869617331
BaseRepresentation
bin1001001100010000001010…
…00011111011101110011000
32122120021020001002211021221
410212020011003323232120
510122124041424341440
6110553205034141424
74154166116613535
oct446100503735630
978507201084257
1020212201012120
116492a455a4227
122325315281874
13b380052b75c0
144dc3c0923d8c
15250b74534d4a
hex1262050fbb98

20212201012120 has 32 divisors (see below), whose sum is σ = 48975717838320. Its totient is φ = 7462966527360.

The previous prime is 20212201012103. The next prime is 20212201012139. The reversal of 20212201012120 is 2121010221202.

It is a happy number.

It is a super-3 number, since 3×202122010121203 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212201012094 and 20212201012103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19434808146 + ... + 19434809185.

Almost surely, 220212201012120 is an apocalyptic number.

20212201012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212201012120 is an abundant number, since it is smaller than the sum of its proper divisors (28763516826200).

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

20212201012120 is a wasteful number, since it uses less digits than its factorization.

20212201012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38869617355 (or 38869617351 counting only the distinct ones).

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

Adding to 20212201012120 its reverse (2121010221202), we get a palindrome (22333211233322).

The spelling of 20212201012120 in words is "twenty trillion, two hundred twelve billion, two hundred one million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 38869617331 77739234662 155478469324 194348086655 310956938648 388696173310 505305025303 777392346620 1010610050606 1554784693240 2021220101212 2526525126515 4042440202424 5053050253030 10106100506060 20212201012120