131212241210001 has 32 divisors (see below), whose sum is σ = 200165782118400. Its totient is φ = 74894718487680.

The previous prime is 131212241209999. The next prime is 131212241210003. The reversal of 131212241210001 is 100012142212131.

It is an interprime number because it is at equal distance from previous prime (131212241209999) and next prime (131212241210003).

It is not a de Polignac number, because 131212241210001 - 2¹ = 131212241209999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131212241210001.

It is not an unprimeable number, because it can be changed into a prime (131212241210003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78731136 + ... + 80380446.

It is an arithmetic number, because the mean of its divisors is an integer number (6255180691200).

Almost surely, 2^{131212241210001} is an apocalyptic number.

It is an amenable number.

131212241210001 is a deficient number, since it is larger than the sum of its proper divisors (68953540908399).

131212241210001 is a wasteful number, since it uses less digits than its factorization.

131212241210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653549.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 131212241210001 its reverse (100012142212131), we get a palindrome (231224383422132).

The spelling of 131212241210001 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty-one million, two hundred ten thousand, one".