231221444122132 has 48 divisors (see below), whose sum is σ = 418513481172864. Its totient is φ = 111730104720000.

The previous prime is 231221444122079. The next prime is 231221444122147.

It is a happy number.

231221444122132 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 32582568 + ... + 39039295.

It is an arithmetic number, because the mean of its divisors is an integer number (8719030857768).

Almost surely, 2^{231221444122132} is an apocalyptic number.

It is an amenable number.

231221444122132 is a deficient number, since it is larger than the sum of its proper divisors (187292037050732).

231221444122132 is a wasteful number, since it uses less digits than its factorization.

231221444122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71622160 (or 71622158 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The spelling of 231221444122132 in words is "two hundred thirty-one trillion, two hundred twenty-one billion, four hundred forty-four million, one hundred twenty-two thousand, one hundred thirty-two".