131212001421241 has 16 divisors (see below), whose sum is σ = 142182669507984. Its totient is φ = 120368858333184.

The previous prime is 131212001421227. The next prime is 131212001421257. The reversal of 131212001421241 is 142124100212131.

It can be written as a sum of positive squares in 8 ways, for example, as 1420005889600 + 129791995531641 = 1191640^2 + 11392629^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212001421241 - 2¹⁵ = 131212001388473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131212001421341) 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, 43903546 + ... + 46796851.

It is an arithmetic number, because the mean of its divisors is an integer number (8886416844249).

Almost surely, 2^{131212001421241} is an apocalyptic number.

It is an amenable number.

131212001421241 is a deficient number, since it is larger than the sum of its proper divisors (10970668086743).

131212001421241 is a wasteful number, since it uses less digits than its factorization.

131212001421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90701100.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 131212001421241 its reverse (142124100212131), we get a palindrome (273336101633372).

The spelling of 131212001421241 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, four hundred twenty-one thousand, two hundred forty-one".