Search a number
-
+
1000221210212 = 22759605460781
BaseRepresentation
bin11101000111000011101…
…01000111011001100100
310112121202010200001211212
432203201311013121210
5112341423112211322
62043254551450552
7132156262002530
oct16434165073144
93477663601755
101000221210212
11356211885454
12141a24086a58
137342206b063
14365a798abc0
151b040db00e2
hexe8e1d47664

1000221210212 has 24 divisors (see below), whose sum is σ = 2034348227520. Its totient is φ = 421400702880.

The previous prime is 1000221210203. The next prime is 1000221210217. The reversal of 1000221210212 is 2120121220001.

1000221210212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1000221210217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302728739 + ... + 302732042.

It is an arithmetic number, because the mean of its divisors is an integer number (84764509480).

Almost surely, 21000221210212 is an apocalyptic number.

It is an amenable number.

1000221210212 is an abundant number, since it is smaller than the sum of its proper divisors (1034127017308).

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

1000221210212 is a wasteful number, since it uses less digits than its factorization.

1000221210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605460851 (or 605460849 counting only the distinct ones).

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

Adding to 1000221210212 its reverse (2120121220001), we get a palindrome (3120342430213).

The spelling of 1000221210212 in words is "one trillion, two hundred twenty-one million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 605460781 1210921562 2421843124 4238225467 8476450934 16952901868 35722186079 71444372158 142888744316 250055302553 500110605106 1000221210212