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212112101010000 = 2435419372126493
BaseRepresentation
bin110000001110101000110010…
…011011101110101001010000
31000211000201102000112111122010
4300032220302123232221100
5210300221040324310000
62031042542021142520
762451410412232212
oct6016506233565120
91024021360474563
10212112101010000
11616492672a6164
121b9588b555aa40
13914811552b139
143a543cd8565b2
15197c7c876dd50
hexc0ea326eea50

212112101010000 has 200 divisors, whose sum is σ = 720764363698720. Its totient is φ = 53586214848000.

The previous prime is 212112101009951. The next prime is 212112101010031. The reversal of 212112101010000 is 10101211212.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 185493247 + ... + 186633246.

Almost surely, 2212112101010000 is an apocalyptic number.

212112101010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112101010000 is an abundant number, since it is smaller than the sum of its proper divisors (508652262688720).

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

212112101010000 is a wasteful number, since it uses less digits than its factorization.

212112101010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372126543 (or 372126522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212112101010000 its reverse (10101211212), we get a palindrome (212122202221212).

The spelling of 212112101010000 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred one million, ten thousand".