12012005350 has 48 divisors (see below), whose sum is σ = 23741243856. Its totient is φ = 4505984000.

The previous prime is 12012005347. The next prime is 12012005351. The reversal of 12012005350 is 5350021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012005351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213705 + ... + 263995.

It is an arithmetic number, because the mean of its divisors is an integer number (494609247).

Almost surely, 2^12012005350 is an apocalyptic number.

12012005350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012005350 is a deficient number, since it is larger than the sum of its proper divisors (11729238506).

12012005350 is a wasteful number, since it uses less digits than its factorization.

12012005350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50601 (or 50596 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 12012005350 its reverse (5350021021), we get a palindrome (17362026371).

The spelling of 12012005350 in words is "twelve billion, twelve million, five thousand, three hundred fifty".