140320012 has 24 divisors (see below), whose sum is σ = 289694720. Its totient is φ = 58196880.

The previous prime is 140320001. The next prime is 140320039. The reversal of 140320012 is 210023041.

140320012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140319974 and 140320001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79962 + ... + 81697.

Almost surely, 2^140320012 is an apocalyptic number.

It is an amenable number.

140320012 is an abundant number, since it is smaller than the sum of its proper divisors (149374708).

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

140320012 is a wasteful number, since it uses less digits than its factorization.

140320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161701 (or 161699 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140320012 is about 11845.6748224827. The cubic root of 140320012 is about 519.6447425550.

Adding to 140320012 its reverse (210023041), we get a palindrome (350343053).

The spelling of 140320012 in words is "one hundred forty million, three hundred twenty thousand, twelve".