193213012 has 12 divisors (see below), whose sum is σ = 338324896. Its totient is φ = 96548760.

The previous prime is 193212997. The next prime is 193213021. The reversal of 193213012 is 210312391.

It is a super-2 number, since 2×193213012² = 74662536012224288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6414 + ... + 20677.

Almost surely, 2^193213012 is an apocalyptic number.

It is an amenable number.

193213012 is a deficient number, since it is larger than the sum of its proper divisors (145111884).

193213012 is a wasteful number, since it uses less digits than its factorization.

193213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28878 (or 28876 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 193213012 is about 13900.1083449015. The cubic root of 193213012 is about 578.1121855333.

The spelling of 193213012 in words is "one hundred ninety-three million, two hundred thirteen thousand, twelve".