Search a number
-
+
12660632212 = 2211872666519
BaseRepresentation
bin10111100101010000…
…11110101010010100
31012200100012202101011
423302220132222110
5201412110212322
65452145142004
7625512412114
oct136250365224
935610182334
1012660632212
115407662408
12255402a904
131269c9c067
14881669044
154e1768677
hex2f2a1ea94

12660632212 has 12 divisors (see below), whose sum is σ = 22174780320. Its totient is φ = 6324980696.

The previous prime is 12660632203. The next prime is 12660632239. The reversal of 12660632212 is 21223606621.

12660632212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328512 + ... + 1338007.

It is an arithmetic number, because the mean of its divisors is an integer number (1847898360).

Almost surely, 212660632212 is an apocalyptic number.

It is an amenable number.

12660632212 is a deficient number, since it is larger than the sum of its proper divisors (9514148108).

12660632212 is a wasteful number, since it uses less digits than its factorization.

12660632212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667710 (or 2667708 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 12660632212 in words is "twelve billion, six hundred sixty million, six hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 1187 2374 4748 2666519 5333038 10666076 3165158053 6330316106 12660632212