12011029993 has 2 divisors, whose sum is σ = 12011029994. Its totient is φ = 12011029992.

The previous prime is 12011029981. The next prime is 12011030029. The reversal of 12011029993 is 39992011021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7507009449 + 4504020544 = 86643^2 + 67112^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011029993 - 2³³ = 3421095401 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011029973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005514996 + 6005514997.

It is an arithmetic number, because the mean of its divisors is an integer number (6005514997).

Almost surely, 2^12011029993 is an apocalyptic number.

It is an amenable number.

12011029993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011029993 is an equidigital number, since it uses as much as digits as its factorization.

12011029993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 12011029993 in words is "twelve billion, eleven million, twenty-nine thousand, nine hundred ninety-three".