12050205149 has 16 divisors (see below), whose sum is σ = 13443086592. Its totient is φ = 10742907648.

The previous prime is 12050205071. The next prime is 12050205151. The reversal of 12050205149 is 94150205021.

It is not a de Polignac number, because 12050205149 - 2⁸ = 12050204893 is a prime.

It is a super-2 number, since 2×12050205149² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050205179) 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, 109334 + ... + 189879.

It is an arithmetic number, because the mean of its divisors is an integer number (840192912).

Almost surely, 2^12050205149 is an apocalyptic number.

It is an amenable number.

12050205149 is a deficient number, since it is larger than the sum of its proper divisors (1392881443).

12050205149 is a wasteful number, since it uses less digits than its factorization.

12050205149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299356.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 12050205149 in words is "twelve billion, fifty million, two hundred five thousand, one hundred forty-nine".