1231230580066 has 8 divisors (see below), whose sum is σ = 1906421543424. Its totient is φ = 595756732260.

The previous prime is 1231230580061. The next prime is 1231230580117. The reversal of 1231230580066 is 6600850321321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1231230580061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9929278810 + ... + 9929278933.

It is an arithmetic number, because the mean of its divisors is an integer number (238302692928).

Almost surely, 2^{1231230580066} is an apocalyptic number.

1231230580066 is a deficient number, since it is larger than the sum of its proper divisors (675190963358).

1231230580066 is a wasteful number, since it uses less digits than its factorization.

1231230580066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19858557776.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1231230580066 in words is "one trillion, two hundred thirty-one billion, two hundred thirty million, five hundred eighty thousand, sixty-six".