12131034213 has 16 divisors (see below), whose sum is σ = 16304904000. Its totient is φ = 8022405120.

The previous prime is 12131034197. The next prime is 12131034259. The reversal of 12131034213 is 31243013121.

It is not a de Polignac number, because 12131034213 - 2⁴ = 12131034197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12131034213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131034263) 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, 326098 + ... + 361388.

It is an arithmetic number, because the mean of its divisors is an integer number (1019056500).

Almost surely, 2^12131034213 is an apocalyptic number.

It is an amenable number.

12131034213 is a deficient number, since it is larger than the sum of its proper divisors (4173869787).

12131034213 is a wasteful number, since it uses less digits than its factorization.

12131034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36212.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12131034213 its reverse (31243013121), we get a palindrome (43374047334).

The spelling of 12131034213 in words is "twelve billion, one hundred thirty-one million, thirty-four thousand, two hundred thirteen".