131212242033441 has 4 divisors (see below), whose sum is σ = 174949656044592. Its totient is φ = 87474828022292.

The previous prime is 131212242033403. The next prime is 131212242033449. The reversal of 131212242033441 is 144330242212131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131212242033441 - 2⁶ = 131212242033377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131212242033449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21868707005571 + ... + 21868707005576.

It is an arithmetic number, because the mean of its divisors is an integer number (43737414011148).

Almost surely, 2^{131212242033441} is an apocalyptic number.

It is an amenable number.

131212242033441 is a deficient number, since it is larger than the sum of its proper divisors (43737414011151).

131212242033441 is an equidigital number, since it uses as much as digits as its factorization.

131212242033441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43737414011150.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131212242033441 its reverse (144330242212131), we get a palindrome (275542484245572).

The spelling of 131212242033441 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty-two million, thirty-three thousand, four hundred forty-one".