12940573018 has 8 divisors (see below), whose sum is σ = 19425714912. Its totient is φ = 6465334716.

The previous prime is 12940573013. The next prime is 12940573031. The reversal of 12940573018 is 81037504921.

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 (12940573013) 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, 2472630 + ... + 2477857.

It is an arithmetic number, because the mean of its divisors is an integer number (2428214364).

Almost surely, 2^12940573018 is an apocalyptic number.

12940573018 is a deficient number, since it is larger than the sum of its proper divisors (6485141894).

12940573018 is a wasteful number, since it uses less digits than its factorization.

12940573018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951796.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 12940573018 in words is "twelve billion, nine hundred forty million, five hundred seventy-three thousand, eighteen".