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12000110221 = 117433146767
BaseRepresentation
bin10110010110100001…
…10010011010001101
31010222022022202112201
423023100302122031
5144034012011341
65302432001501
7603242153041
oct131320623215
933868282481
1012000110221
1150a8827470
1223aa990291
1311931a2a48
1481ba4a021
154a3793331
hex2cb43268d

12000110221 has 8 divisors (see below), whose sum is σ = 13092879744. Its totient is φ = 10907649120.

The previous prime is 12000110201. The next prime is 12000110251. The reversal of 12000110221 is 12201100021.

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 12000110221 - 25 = 12000110189 is a prime.

It is a super-2 number, since 2×120001102212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000110198 and 12000110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000110201) 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, 8380 + ... + 155146.

It is an arithmetic number, because the mean of its divisors is an integer number (1636609968).

Almost surely, 212000110221 is an apocalyptic number.

12000110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000110221 is a deficient number, since it is larger than the sum of its proper divisors (1092769523).

12000110221 is a wasteful number, since it uses less digits than its factorization.

12000110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154211.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000110221 its reverse (12201100021), we get a palindrome (24201210242).

It can be divided in two parts, 12000 and 110221, that added together give a palindrome (122221).

The spelling of 12000110221 in words is "twelve billion, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 7433 81763 146767 1614437 1090919111 12000110221