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212012200010020 = 22517966959884441
BaseRepresentation
bin110000001101001011101111…
…110111101010000100100100
31000210200011112202011212212211
4300031023233313222010210
5210242101441200310040
62030525020552053204
762441242646602414
oct6015135767520444
91023604482155784
10212012200010020
116160a961839263
121b941474994204
13913b8843a1cb7
143a4d633a06644
151979dcd08c8ea
hexc0d2efdea124

212012200010020 has 48 divisors (see below), whose sum is σ = 447720106579200. Its totient is φ = 84329754932480.

The previous prime is 212012200010011. The next prime is 212012200010033. The reversal of 212012200010020 is 20010002210212.

It is a happy number.

212012200010020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239271000 + ... + 240155440.

It is an arithmetic number, because the mean of its divisors is an integer number (9327502220400).

Almost surely, 2212012200010020 is an apocalyptic number.

212012200010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012200010020 is an abundant number, since it is smaller than the sum of its proper divisors (235707906569180).

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

212012200010020 is a wasteful number, since it uses less digits than its factorization.

212012200010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951588 (or 951586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212012200010020 its reverse (20010002210212), we get a palindrome (232022202220232).

The spelling of 212012200010020 in words is "two hundred twelve trillion, twelve billion, two hundred million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 66959 133918 267836 334795 669590 884441 1339180 1768882 3537764 4422205 8844410 11985661 17688820 23971322 47942644 59928305 119856610 158314939 239713220 316629878 633259756 791574695 1583149390 3166298780 59221284919 118442569838 236885139676 296106424595 592212849190 1184425698380 10600610000501 21201220001002 42402440002004 53003050002505 106006100005010 212012200010020