131212021411 has 2 divisors, whose sum is σ = 131212021412. Its totient is φ = 131212021410.

The previous prime is 131212021387. The next prime is 131212021433. The reversal of 131212021411 is 114120212131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131212021411 - 2¹¹ = 131212019363 is a prime.

It is not a weakly prime, because it can be changed into another prime (131212021441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65606010705 + 65606010706.

It is an arithmetic number, because the mean of its divisors is an integer number (65606010706).

Almost surely, 2^131212021411 is an apocalyptic number.

131212021411 is a deficient number, since it is larger than the sum of its proper divisors (1).

131212021411 is an equidigital number, since it uses as much as digits as its factorization.

131212021411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131212021411 its reverse (114120212131), we get a palindrome (245332233542).

The spelling of 131212021411 in words is "one hundred thirty-one billion, two hundred twelve million, twenty-one thousand, four hundred eleven".