131212001023441 has 8 divisors (see below), whose sum is σ = 146177826074280. Its totient is φ = 116942260858752.

The previous prime is 131212001023421. The next prime is 131212001023501. The reversal of 131212001023441 is 144320100212131.

It can be written as a sum of positive squares in 4 ways, for example, as 2990824360000 + 128221176663441 = 1729400^2 + 11323479^2 .

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 131212001023441 - 2¹⁷ = 131212000892369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131212001023421) 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, 174021221140 + ... + 174021221893.

It is an arithmetic number, because the mean of its divisors is an integer number (18272228259285).

Almost surely, 2^{131212001023441} is an apocalyptic number.

It is an amenable number.

131212001023441 is a deficient number, since it is larger than the sum of its proper divisors (14965825050839).

131212001023441 is a wasteful number, since it uses less digits than its factorization.

131212001023441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348042443075.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131212001023441 its reverse (144320100212131), we get a palindrome (275532101235572).

The spelling of 131212001023441 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, twenty-three thousand, four hundred forty-one".