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12000310011 = 323743838069
BaseRepresentation
bin10110010110100011…
…00011001011111011
31010222022200220121100
423023101203023323
5144034034410021
65302440142443
7603243644364
oct131321431373
933868626540
1012000310011
1150a8953588
1223aaa67a23
131193242971
1481ba9cb6b
154a37d2626
hex2cb4632fb

12000310011 has 24 divisors (see below), whose sum is σ = 18216289520. Its totient is φ = 7602952896.

The previous prime is 12000310001. The next prime is 12000310037. The reversal of 12000310011 is 11001300021.

It is not a de Polignac number, because 12000310011 - 26 = 12000309947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12000309975 and 12000310002.

It is not an unprimeable number, because it can be changed into a prime (12000310001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404716 + ... + 433353.

Almost surely, 212000310011 is an apocalyptic number.

12000310011 is a deficient number, since it is larger than the sum of its proper divisors (6215979509).

12000310011 is a wasteful number, since it uses less digits than its factorization.

12000310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838155 (or 838152 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12000310011 its reverse (11001300021), we get a palindrome (23001610032).

The spelling of 12000310011 in words is "twelve billion, three hundred ten thousand, eleven".

Divisors: 1 3 9 37 43 111 129 333 387 1591 4773 14319 838069 2514207 7542621 31008553 36036967 93025659 108110901 279076977 324332703 1333367779 4000103337 12000310011