12331331540987 has 2 divisors, whose sum is σ = 12331331540988. Its totient is φ = 12331331540986.

The previous prime is 12331331540951. The next prime is 12331331541049. The reversal of 12331331540987 is 78904513313321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12331331540987 - 2¹² = 12331331536891 is a prime.

It is not a weakly prime, because it can be changed into another prime (12331331540887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165665770493 + 6165665770494.

It is an arithmetic number, because the mean of its divisors is an integer number (6165665770494).

Almost surely, 2^{12331331540987} is an apocalyptic number.

12331331540987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331331540987 is an equidigital number, since it uses as much as digits as its factorization.

12331331540987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 12331331540987 in words is "twelve trillion, three hundred thirty-one billion, three hundred thirty-one million, five hundred forty thousand, nine hundred eighty-seven".