Search a number
-
+
12202121202010 = 2511849310297757
BaseRepresentation
bin1011000110010000011100…
…0110011000100101011010
31121012111210210210000102021
42301210013012120211122
53044404421011431020
641541324352525054
72366400636616645
oct261440706304532
947174723700367
1012202121202010
113984988345513
121450a2985078a
136a686931117c
1430282b6a8a5c
151626126e91aa
hexb190719895a

12202121202010 has 16 divisors (see below), whose sum is σ = 21964005656136. Its totient is φ = 4880806815808.

The previous prime is 12202121201999. The next prime is 12202121202013. The reversal of 12202121202010 is 1020212120221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10749303203769 + 1452817998241 = 3278613^2 + 1205329^2 .

It is not an unprimeable number, because it can be changed into a prime (12202121202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963949 + ... + 6333808.

Almost surely, 212202121202010 is an apocalyptic number.

12202121202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202121202010 is a deficient number, since it is larger than the sum of its proper divisors (9761884454126).

12202121202010 is a wasteful number, since it uses less digits than its factorization.

12202121202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416257.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202121202010 its reverse (1020212120221), we get a palindrome (13222333322231).

The spelling of 12202121202010 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, ten".

Divisors: 1 2 5 10 118493 236986 592465 1184930 10297757 20595514 51488785 102977570 1220212120201 2440424240402 6101060601005 12202121202010