12011120986 has 8 divisors (see below), whose sum is σ = 18017212500. Its totient is φ = 6005383488.

The previous prime is 12011120971. The next prime is 12011120987. The reversal of 12011120986 is 68902111021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11589599025 + 421521961 = 107655^2 + 20531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12011120986² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011120987) 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 3 ways as a sum of consecutive naturals, for example, 25890 + ... + 157138.

Almost surely, 2^12011120986 is an apocalyptic number.

12011120986 is a deficient number, since it is larger than the sum of its proper divisors (6006091514).

12011120986 is a wasteful number, since it uses less digits than its factorization.

12011120986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177008.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 12011120986 in words is "twelve billion, eleven million, one hundred twenty thousand, nine hundred eighty-six".