140203212 has 48 divisors (see below), whose sum is σ = 339181920. Its totient is φ = 45038592.

The previous prime is 140203183. The next prime is 140203229. The reversal of 140203212 is 212302041.

140203212 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 = 140203191 and 140203200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46948 + ... + 49844.

It is an arithmetic number, because the mean of its divisors is an integer number (7066290).

Almost surely, 2^140203212 is an apocalyptic number.

140203212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140203212 is an abundant number, since it is smaller than the sum of its proper divisors (198978708).

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

140203212 is a wasteful number, since it uses less digits than its factorization.

140203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140203212 is about 11840.7437266415. The cubic root of 140203212 is about 519.5005213727.

Adding to 140203212 its reverse (212302041), we get a palindrome (352505253).

The spelling of 140203212 in words is "one hundred forty million, two hundred three thousand, two hundred twelve".