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12663130101 = 397143330367
BaseRepresentation
bin10111100101100100…
…00000011111110101
31012200111220122211120
423302302000133311
5201413230130401
65452314454153
7625542554436
oct136262003765
935614818746
1012663130101
115409009086
122554a34359
13126a664cbb
14881b1948d
154e1aad836
hex2f2c807f5

12663130101 has 16 divisors (see below), whose sum is σ = 17070703104. Its totient is φ = 8348949504.

The previous prime is 12663130091. The next prime is 12663130121. The reversal of 12663130101 is 10103136621.

It is not a de Polignac number, because 12663130101 - 25 = 12663130069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663130121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401820 + ... + 432186.

It is an arithmetic number, because the mean of its divisors is an integer number (1066918944).

Almost surely, 212663130101 is an apocalyptic number.

It is an amenable number.

12663130101 is a deficient number, since it is larger than the sum of its proper divisors (4407573003).

12663130101 is a wasteful number, since it uses less digits than its factorization.

12663130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31900.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12663130101 its reverse (10103136621), we get a palindrome (22766266722).

The spelling of 12663130101 in words is "twelve billion, six hundred sixty-three million, one hundred thirty thousand, one hundred one".

Divisors: 1 3 97 291 1433 4299 30367 91101 139001 417003 2945599 8836797 43515911 130547733 4221043367 12663130101