Search a number
-
+
212210012012 = 22493911074133
BaseRepresentation
bin1100010110100010110…
…0111100111101101100
3202021202021120120011112
43011220230330331230
511434101230341022
6241253221011152
721221522224445
oct3055054747554
9667667516145
10212210012012
1181aa8023a19
1235164853ab8
131701bb3515b
14a3b196a2cc
1557c037a8e2
hex3168b3cf6c

212210012012 has 12 divisors (see below), whose sum is σ = 371375385696. Its totient is φ = 106102758960.

The previous prime is 212210011933. The next prime is 212210012093. The reversal of 212210012012 is 210210012212.

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, 339503 + ... + 734630.

It is an arithmetic number, because the mean of its divisors is an integer number (30947948808).

Almost surely, 2212210012012 is an apocalyptic number.

It is an amenable number.

212210012012 is a deficient number, since it is larger than the sum of its proper divisors (159165373684).

212210012012 is a wasteful number, since it uses less digits than its factorization.

212210012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123528 (or 1123526 counting only the distinct ones).

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

Adding to 212210012012 its reverse (210210012212), we get a palindrome (422420024224).

The spelling of 212210012012 in words is "two hundred twelve billion, two hundred ten million, twelve thousand, twelve".

Divisors: 1 2 4 49391 98782 197564 1074133 2148266 4296532 53052503003 106105006006 212210012012