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12120214 = 219216787
BaseRepresentation
bin101110001111…
…000010010110
3211210202210211
4232033002112
511100321324
61111440034
7205006621
oct56170226
924722724
1012120214
116929107
12408601a
132684932
141876db8
1510e6294
hexb8f096

12120214 has 12 divisors (see below), whose sum is σ = 19188684. Its totient is φ = 5740812.

The previous prime is 12120181. The next prime is 12120223. The reversal of 12120214 is 41202121.

It is a happy number.

12120214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12120194 and 12120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7672 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (1599057).

Almost surely, 212120214 is an apocalyptic number.

12120214 is a deficient number, since it is larger than the sum of its proper divisors (7068470).

12120214 is a wasteful number, since it uses less digits than its factorization.

12120214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827 (or 16808 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12120214 is about 3481.4097719171. The cubic root of 12120214 is about 229.7048135005.

Adding to 12120214 its reverse (41202121), we get a palindrome (53322335).

The spelling of 12120214 in words is "twelve million, one hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 19 38 361 722 16787 33574 318953 637906 6060107 12120214