193130412 has 12 divisors (see below), whose sum is σ = 450637656. Its totient is φ = 64376800.

The previous prime is 193130369. The next prime is 193130419. The reversal of 193130412 is 214031391.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (193130419) 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, 8047089 + ... + 8047112.

It is an arithmetic number, because the mean of its divisors is an integer number (37553138).

Almost surely, 2^193130412 is an apocalyptic number.

193130412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193130412 is an abundant number, since it is smaller than the sum of its proper divisors (257507244).

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

193130412 is a wasteful number, since it uses less digits than its factorization.

193130412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094208 (or 16094206 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 193130412 is about 13897.1368274188. The cubic root of 193130412 is about 578.0297913708.

The spelling of 193130412 in words is "one hundred ninety-three million, one hundred thirty thousand, four hundred twelve".