140302212 has 12 divisors (see below), whose sum is σ = 327371856. Its totient is φ = 46767400.

The previous prime is 140302193. The next prime is 140302229. The reversal of 140302212 is 212203041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140302191 and 140302200.

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 3 ways as a sum of consecutive naturals, for example, 5845914 + ... + 5845937.

It is an arithmetic number, because the mean of its divisors is an integer number (27280988).

Almost surely, 2^140302212 is an apocalyptic number.

140302212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140302212 is an abundant number, since it is smaller than the sum of its proper divisors (187069644).

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

140302212 is a wasteful number, since it uses less digits than its factorization.

140302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691858 (or 11691856 counting only the distinct ones).

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

The square root of 140302212 is about 11844.9234695713. The cubic root of 140302212 is about 519.6227688122.

Adding to 140302212 its reverse (212203041), we get a palindrome (352505253).

The spelling of 140302212 in words is "one hundred forty million, three hundred two thousand, two hundred twelve".