12016020540646 has 8 divisors (see below), whose sum is σ = 18026979304824. Its totient is φ = 6007027439040.

The previous prime is 12016020540631. The next prime is 12016020540659. The reversal of 12016020540646 is 64604502061021.

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

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, 491400360 + ... + 491424811.

It is an arithmetic number, because the mean of its divisors is an integer number (2253372413103).

Almost surely, 2^{12016020540646} is an apocalyptic number.

12016020540646 is a deficient number, since it is larger than the sum of its proper divisors (6010958764178).

12016020540646 is an equidigital number, since it uses as much as digits as its factorization.

12016020540646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982831286.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 12016020540646 in words is "twelve trillion, sixteen billion, twenty million, five hundred forty thousand, six hundred forty-six".