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20212112010112 = 271114355193189
BaseRepresentation
bin1001001100001111111111…
…10000011010101110000000
32122120020222211122001111021
410212013333300122232000
510122123401133310422
6110553152134355224
74154163656245501
oct446077760325600
978506884561437
1020212112010112
1164929aa334750
1223252ab4bbb14
13b37cbca249a9
144dc3b2b96ba8
15250b6b803dc7
hex1261ffc1ab80

20212112010112 has 32 divisors (see below), whose sum is σ = 43926891161400. Its totient is φ = 9187323640320.

The previous prime is 20212112010109. The next prime is 20212112010119. The reversal of 20212112010112 is 21101021121202.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212112010119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7177595187 + ... + 7177598002.

Almost surely, 220212112010112 is an apocalyptic number.

20212112010112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20212112010112 is an abundant number, since it is smaller than the sum of its proper divisors (23714779151288).

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

20212112010112 is a wasteful number, since it uses less digits than its factorization.

20212112010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14355193214 (or 14355193202 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20212112010112 its reverse (21101021121202), we get a palindrome (41313133131314).

The spelling of 20212112010112 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 14355193189 28710386378 57420772756 114841545512 157907125079 229683091024 315814250158 459366182048 631628500316 918732364096 1263257000632 1837464728192 2526514001264 5053028002528 10106056005056 20212112010112