12131203133122 has 32 divisors (see below), whose sum is σ = 19042955593200. Its totient is φ = 5788566970368.

The previous prime is 12131203133069. The next prime is 12131203133131. The reversal of 12131203133122 is 22133130213121.

It can be written as a sum of positive squares in 8 ways, for example, as 3782056452001 + 8349146681121 = 1944751^2 + 2889489^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2954154 + ... + 5743642.

Almost surely, 2^{12131203133122} is an apocalyptic number.

12131203133122 is a deficient number, since it is larger than the sum of its proper divisors (6911752460078).

12131203133122 is a wasteful number, since it uses less digits than its factorization.

12131203133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790390.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12131203133122 its reverse (22133130213121), we get a palindrome (34264333346243).

The spelling of 12131203133122 in words is "twelve trillion, one hundred thirty-one billion, two hundred three million, one hundred thirty-three thousand, one hundred twenty-two".