131212213032301 has 4 divisors (see below), whose sum is σ = 131212236315292. Its totient is φ = 131212189749312.

The previous prime is 131212213032287. The next prime is 131212213032367. The reversal of 131212213032301 is 103230312212131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115066362156201 + 16145850876100 = 10726899^2 + 4018190^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212213032301 - 2⁹ = 131212213031789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212213032371) 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, 2705875 + ... + 16423951.

It is an arithmetic number, because the mean of its divisors is an integer number (32803059078823).

Almost surely, 2^{131212213032301} is an apocalyptic number.

It is an amenable number.

131212213032301 is a deficient number, since it is larger than the sum of its proper divisors (23282991).

131212213032301 is an equidigital number, since it uses as much as digits as its factorization.

131212213032301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282990.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131212213032301 its reverse (103230312212131), we get a palindrome (234442525244432).

The spelling of 131212213032301 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, thirty-two thousand, three hundred one".