12133133205 has 16 divisors (see below), whose sum is σ = 19419618624. Its totient is φ = 6468802560.

The previous prime is 12133133149. The next prime is 12133133209. The reversal of 12133133205 is 50233133121.

It is a de Polignac number, because none of the positive numbers 2^k-12133133205 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133133209) 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, 91564 + ... + 180693.

It is an arithmetic number, because the mean of its divisors is an integer number (1213726164).

Almost surely, 2^12133133205 is an apocalyptic number.

12133133205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12133133205 is a deficient number, since it is larger than the sum of its proper divisors (7286485419).

12133133205 is a wasteful number, since it uses less digits than its factorization.

12133133205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275236.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 12133133205 its reverse (50233133121), we get a palindrome (62366266326).

The spelling of 12133133205 in words is "twelve billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred five".