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212020110012 = 22319192504411
BaseRepresentation
bin1100010101110101100…
…0100010001010111100
3202021021001020112121010
43011131120202022330
511433204122010022
6241222314435220
721214025125344
oct3053530421274
9667231215533
10212020110012
1181a0a908817
1235111132b10
1316cbb6a51c9
14a394655d24
1557ad86850c
hex315d6222bc

212020110012 has 24 divisors (see below), whose sum is σ = 497303718912. Its totient is φ = 70303351600.

The previous prime is 212020110011. The next prime is 212020110017. The reversal of 212020110012 is 210011020212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212020110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020110011) 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, 46249914 + ... + 46254497.

It is an arithmetic number, because the mean of its divisors is an integer number (20720988288).

Almost surely, 2212020110012 is an apocalyptic number.

It is an amenable number.

212020110012 is an abundant number, since it is smaller than the sum of its proper divisors (285283608900).

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

212020110012 is a wasteful number, since it uses less digits than its factorization.

212020110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92504609 (or 92504607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020110012 its reverse (210011020212), we get a palindrome (422031130224).

The spelling of 212020110012 in words is "two hundred twelve billion, twenty million, one hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 92504411 185008822 277513233 370017644 555026466 1110052932 17668342501 35336685002 53005027503 70673370004 106010055006 212020110012