131212011133 has 8 divisors (see below), whose sum is σ = 150281873280. Its totient is φ = 112223471280.

The previous prime is 131212011131. The next prime is 131212011157. The reversal of 131212011133 is 331110212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131212011133 - 2¹ = 131212011131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131212011133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20327113 + ... + 20333566.

It is an arithmetic number, because the mean of its divisors is an integer number (18785234160).

Almost surely, 2^131212011133 is an apocalyptic number.

It is an amenable number.

131212011133 is a deficient number, since it is larger than the sum of its proper divisors (19069862147).

131212011133 is an equidigital number, since it uses as much as digits as its factorization.

131212011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40661147.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131212011133 its reverse (331110212131), we get a palindrome (462322223264).

The spelling of 131212011133 in words is "one hundred thirty-one billion, two hundred twelve million, eleven thousand, one hundred thirty-three".