193442784912 has 120 divisors (see below), whose sum is σ = 598772438264. Its totient is φ = 57912164352.

The previous prime is 193442784901. The next prime is 193442784943. The reversal of 193442784912 is 219487244391.

193442784912 is a `hidden beast` number, since 1 + 93 + 44 + 27 + 8 + 491 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 91032544656 + 102410240256 = 301716^2 + 320016^2 .

It is a super-2 number, since 2×193442784912² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1327153 + ... + 1465680.

Almost surely, 2^193442784912 is an apocalyptic number.

193442784912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193442784912 is an abundant number, since it is smaller than the sum of its proper divisors (405329653352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193442784912 is a wasteful number, since it uses less digits than its factorization.

193442784912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792897 (or 2792888 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 193442784912 in words is "one hundred ninety-three billion, four hundred forty-two million, seven hundred eighty-four thousand, nine hundred twelve".