131212304131201 has 4 divisors (see below), whose sum is σ = 134412604232004. Its totient is φ = 128012004030400.

The previous prime is 131212304131099. The next prime is 131212304131243. The reversal of 131212304131201 is 102131403212131.

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 71811387705600 + 59400916425601 = 8474160^2 + 7707199^2 .

It is a cyclic number.

It is not a de Polignac number, because 131212304131201 - 2²⁹ = 131211767260289 is a prime.

It is a super-2 number, since 2×131212304131201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131212314131201) 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, 1600150050340 + ... + 1600150050421.

It is an arithmetic number, because the mean of its divisors is an integer number (33603151058001).

Almost surely, 2^{131212304131201} is an apocalyptic number.

It is an amenable number.

131212304131201 is a deficient number, since it is larger than the sum of its proper divisors (3200300100803).

131212304131201 is an equidigital number, since it uses as much as digits as its factorization.

131212304131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200300100802.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131212304131201 its reverse (102131403212131), we get a palindrome (233343707343332).

The spelling of 131212304131201 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred four million, one hundred thirty-one thousand, two hundred one".