1993207512 has 32 divisors (see below), whose sum is σ = 4995226800. Its totient is φ = 662774784.

The previous prime is 1993207477. The next prime is 1993207519. The reversal of 1993207512 is 2157023991.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993207519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91713 + ... + 111344.

Almost surely, 2^1993207512 is an apocalyptic number.

1993207512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1993207512 is an abundant number, since it is smaller than the sum of its proper divisors (3002019288).

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

1993207512 is a wasteful number, since it uses less digits than its factorization.

1993207512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203475 (or 203471 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1993207512 is about 44645.3526360807. The cubic root of 1993207512 is about 1258.4930990142.

The spelling of 1993207512 in words is "one billion, nine hundred ninety-three million, two hundred seven thousand, five hundred twelve".