12301988511 has 16 divisors (see below), whose sum is σ = 17382428928. Its totient is φ = 7712265600.

The previous prime is 12301988497. The next prime is 12301988519. The reversal of 12301988511 is 11588910321.

It is not a de Polignac number, because 12301988511 - 2¹⁰ = 12301987487 is a prime.

It is a super-3 number, since 3×12301988511³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12301988511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301988519) 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 15 ways as a sum of consecutive naturals, for example, 43275 + ... + 162716.

It is an arithmetic number, because the mean of its divisors is an integer number (1086401808).

Almost surely, 2^12301988511 is an apocalyptic number.

12301988511 is a deficient number, since it is larger than the sum of its proper divisors (5080440417).

12301988511 is a wasteful number, since it uses less digits than its factorization.

12301988511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207182.

The product of its (nonzero) digits is 17280, while the sum is 39.

The spelling of 12301988511 in words is "twelve billion, three hundred one million, nine hundred eighty-eight thousand, five hundred eleven".