Search a number
-
+
1212110202 = 23202018367
BaseRepresentation
bin100100000111111…
…0101010101111010
310010110210120121110
41020033311111322
54440300011302
6320135421150
742015523662
oct11017652572
93113716543
101212110202
11572228376
12299b247b6
13164174694
14b6da31a2
157162db6c
hex483f557a

1212110202 has 8 divisors (see below), whose sum is σ = 2424220416. Its totient is φ = 404036732.

The previous prime is 1212110197. The next prime is 1212110203. The reversal of 1212110202 is 2020112121.

It is a sphenic number, since it is the product of 3 distinct primes.

1212110202 is an admirable number.

It is a super-2 number, since 2×12121102022 = 2938422283584961608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212110203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101009178 + ... + 101009189.

It is an arithmetic number, because the mean of its divisors is an integer number (303027552).

Almost surely, 21212110202 is an apocalyptic number.

1212110202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212110202 is a wasteful number, since it uses less digits than its factorization.

1212110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202018372.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1212110202 is about 34815.3730699529. The cubic root of 1212110202 is about 1066.2213359547.

Adding to 1212110202 its reverse (2020112121), we get a palindrome (3232222323).

The spelling of 1212110202 in words is "one billion, two hundred twelve million, one hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 202018367 404036734 606055101 1212110202