Search a number
-
+
12211201010101 = 173487144938351
BaseRepresentation
bin1011000110110010010001…
…0011000110100110110101
31121020101020121001001112211
42301230210103012212311
53100032014424310401
641545425344413421
72400141641664442
oct261544423064665
947211217031484
1012211201010101
113988817696745
121452742617271
136a7685485392
1430304d5369c9
151629948dc951
hexb1b244c69b5

12211201010101 has 8 divisors (see below), whose sum is σ = 12307005345024. Its totient is φ = 12115686553200.

The previous prime is 12211201010069. The next prime is 12211201010143. The reversal of 12211201010101 is 10101010211221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12211201010101 - 25 = 12211201010069 is a prime.

It is a super-2 number, since 2×122112010101012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

12211201010101 is a modest number, since divided by 1010101 gives 122112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211201013101) 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, 72384925 + ... + 72553426.

It is an arithmetic number, because the mean of its divisors is an integer number (1538375668128).

Almost surely, 212211201010101 is an apocalyptic number.

It is an amenable number.

12211201010101 is a deficient number, since it is larger than the sum of its proper divisors (95804334923).

12211201010101 is a wasteful number, since it uses less digits than its factorization.

12211201010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144939011.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12211201010101 its reverse (10101010211221), we get a palindrome (22312211221322).

The spelling of 12211201010101 in words is "twelve trillion, two hundred eleven billion, two hundred one million, ten thousand, one hundred one".

Divisors: 1 173 487 84251 144938351 25074334723 70584976937 12211201010101