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212012011002020 = 22510600600550101
BaseRepresentation
bin110000001101001011100100…
…100110101001100010100100
31000210200011001120112021122112
4300031023210212221202210
5210242101044304031040
62030524550121020152
762441235163215605
oct6015134446514244
91023604046467575
10212012011002020
116160a8750837a9
121b941421624658
13913b854195c48
143a4d616885dac
151979dbb6a5365
hexc0d2e49a98a4

212012011002020 has 12 divisors (see below), whose sum is σ = 445225223104284. Its totient is φ = 84804804400800.

The previous prime is 212012011001983. The next prime is 212012011002041. The reversal of 212012011002020 is 20200110210212.

It can be written as a sum of positive squares in 2 ways, for example, as 136175223103396 + 75836787898624 = 11669414^2 + 8708432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212012011001986 and 212012011002004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300300275031 + ... + 5300300275070.

It is an arithmetic number, because the mean of its divisors is an integer number (37102101925357).

Almost surely, 2212012011002020 is an apocalyptic number.

212012011002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012011002020 is an abundant number, since it is smaller than the sum of its proper divisors (233213212102264).

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

212012011002020 is a wasteful number, since it uses less digits than its factorization.

212012011002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600600550110 (or 10600600550108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012011002020 its reverse (20200110210212), we get a palindrome (232212121212232).

The spelling of 212012011002020 in words is "two hundred twelve trillion, twelve billion, eleven million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 10600600550101 21201201100202 42402402200404 53003002750505 106006005501010 212012011002020