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220121212002212 = 22142391386473183
BaseRepresentation
bin110010000011001011110110…
…101001100001111110100100
31001212101101022201212021012102
4302003023312221201332210
5212322431220233032322
62100054142213311232
764236142556346113
oct6203136651417644
91055341281767172
10220121212002212
1164156977699724
1220830b70635518
1395a9458894441
143c4dcd015dc7a
151a6acd04d7792
hexc832f6a61fa4

220121212002212 has 12 divisors (see below), whose sum is σ = 385214827312896. Its totient is φ = 110059832769960.

The previous prime is 220121212002143. The next prime is 220121212002229. The reversal of 220121212002212 is 212200212121022.

220121212002212 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 3 ways as a sum of consecutive naturals, for example, 192667028 + ... + 193806155.

It is an arithmetic number, because the mean of its divisors is an integer number (32101235609408).

Almost surely, 2220121212002212 is an apocalyptic number.

It is an amenable number.

220121212002212 is a deficient number, since it is larger than the sum of its proper divisors (165093615310684).

220121212002212 is a wasteful number, since it uses less digits than its factorization.

220121212002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386615578 (or 386615576 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220121212002212 its reverse (212200212121022), we get a palindrome (432321424123234).

The spelling of 220121212002212 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, two hundred twelve".

Divisors: 1 2 4 142391 284782 569564 386473183 772946366 1545892732 55030303000553 110060606001106 220121212002212