1231436244064 has 24 divisors (see below), whose sum is σ = 2610881652960. Its totient is φ = 568355189376.

The previous prime is 1231436244047. The next prime is 1231436244083. The reversal of 1231436244064 is 4604426341321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480091224 + ... + 1480092055.

It is an arithmetic number, because the mean of its divisors is an integer number (108786735540).

Almost surely, 2^{1231436244064} is an apocalyptic number.

It is an amenable number.

1231436244064 is an abundant number, since it is smaller than the sum of its proper divisors (1379445408896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231436244064 is a wasteful number, since it uses less digits than its factorization.

1231436244064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960183302 (or 2960183294 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 1231436244064 in words is "one trillion, two hundred thirty-one billion, four hundred thirty-six million, two hundred forty-four thousand, sixty-four".