Search a number
-
+
212010011221112 = 23137128712081693
BaseRepresentation
bin110000001101001001101101…
…011010000101110001111000
31000210122221220012120212221222
4300031021231122011301320
5210242033000333033422
62030524015442451212
762441134501315556
oct6015115532056170
91023587805525858
10212010011221112
1161609a39276805
121b940b63963b08
13913b5c5a97530
143a4d4a7046bd6
151979d00d37842
hexc0d26d685c78

212010011221112 has 32 divisors (see below), whose sum is σ = 434126675213280. Its totient is φ = 96472594485120.

The previous prime is 212010011221093. The next prime is 212010011221139. The reversal of 212010011221112 is 211122110010212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14356033463 + ... + 14356048230.

It is an arithmetic number, because the mean of its divisors is an integer number (13566458600415).

Almost surely, 2212010011221112 is an apocalyptic number.

It is an amenable number.

212010011221112 is an abundant number, since it is smaller than the sum of its proper divisors (222116663992168).

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

212010011221112 is a wasteful number, since it uses less digits than its factorization.

212010011221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28712081783 (or 28712081779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212010011221112 its reverse (211122110010212), we get a palindrome (423132121231324).

The spelling of 212010011221112 in words is "two hundred twelve trillion, ten billion, eleven million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3692 7384 28712081693 57424163386 114848326772 229696653544 373257062009 746514124018 1493028248036 2038557800203 2986056496072 4077115600406 8154231200812 16308462401624 26501251402639 53002502805278 106005005610556 212010011221112