Search a number
-
+
12211211102012 = 2213234830982731
BaseRepresentation
bin1011000110110010010011…
…1001100110011100111100
31121020101021022000210001022
42301230210321212130330
53100032030020231022
641545430345003312
72400142123526066
oct261544471463474
947211238023038
1012211211102012
11398882235996a
121452745a83538
136a76875a9a20
14303050a02736
15162995732c42
hexb1b24e6673c

12211211102012 has 12 divisors (see below), whose sum is σ = 23013436307736. Its totient is φ = 5635943585520.

The previous prime is 12211211102011. The next prime is 12211211102047. The reversal of 12211211102012 is 21020111211221.

It is a super-2 number, since 2×122112111020122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211211102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117415491314 + ... + 117415491417.

It is an arithmetic number, because the mean of its divisors is an integer number (1917786358978).

Almost surely, 212211211102012 is an apocalyptic number.

It is an amenable number.

12211211102012 is a deficient number, since it is larger than the sum of its proper divisors (10802225205724).

12211211102012 is a wasteful number, since it uses less digits than its factorization.

12211211102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234830982748 (or 234830982746 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211211102012 its reverse (21020111211221), we get a palindrome (33231322313233).

The spelling of 12211211102012 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, one hundred two thousand, twelve".

Divisors: 1 2 4 13 26 52 234830982731 469661965462 939323930924 3052802775503 6105605551006 12211211102012