993919967212 has 12 divisors (see below), whose sum is σ = 1760316087096. Its totient is φ = 490972513760.

The previous prime is 993919967177. The next prime is 993919967213. The reversal of 993919967212 is 212769919399.

It is not an unprimeable number, because it can be changed into a prime (993919967213) 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, 1496867089 + ... + 1496867752.

It is an arithmetic number, because the mean of its divisors is an integer number (146693007258).

Almost surely, 2^993919967212 is an apocalyptic number.

It is an amenable number.

993919967212 is a deficient number, since it is larger than the sum of its proper divisors (766396119884).

993919967212 is a wasteful number, since it uses less digits than its factorization.

993919967212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993734928 (or 2993734926 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 67.

The spelling of 993919967212 in words is "nine hundred ninety-three billion, nine hundred nineteen million, nine hundred sixty-seven thousand, two hundred twelve".