12033120105 has 32 divisors (see below), whose sum is σ = 22322315520. Its totient is φ = 6138633600.

The previous prime is 12033120101. The next prime is 12033120161. The reversal of 12033120105 is 50102133021.

It is not a de Polignac number, because 12033120105 - 2² = 12033120101 is a prime.

It is a super-2 number, since 2×12033120105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12033120101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1934596 + ... + 1940805.

It is an arithmetic number, because the mean of its divisors is an integer number (697572360).

Almost surely, 2^12033120105 is an apocalyptic number.

12033120105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12033120105 is a deficient number, since it is larger than the sum of its proper divisors (10289195415).

12033120105 is a wasteful number, since it uses less digits than its factorization.

12033120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875438 (or 3875432 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 12033120105 its reverse (50102133021), we get a palindrome (62135253126).

The spelling of 12033120105 in words is "twelve billion, thirty-three million, one hundred twenty thousand, one hundred five".