131211210000421 has 16 divisors (see below), whose sum is σ = 141004025061120. Its totient is φ = 121648920307200.

The previous prime is 131211210000419. The next prime is 131211210000467. The reversal of 131211210000421 is 124000012112131.

It is not a de Polignac number, because 131211210000421 - 2¹ = 131211210000419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211210010421) 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 15 ways as a sum of consecutive naturals, for example, 235952020 + ... + 236507458.

It is an arithmetic number, because the mean of its divisors is an integer number (8812751566320).

Almost surely, 2^{131211210000421} is an apocalyptic number.

It is an amenable number.

131211210000421 is a deficient number, since it is larger than the sum of its proper divisors (9792815060699).

131211210000421 is a wasteful number, since it uses less digits than its factorization.

131211210000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762924.

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

Adding to 131211210000421 its reverse (124000012112131), we get a palindrome (255211222112552).

The spelling of 131211210000421 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred ten million, four hundred twenty-one", and thus it is an aban number.