140031212 has 12 divisors (see below), whose sum is σ = 245283360. Its totient is φ = 69950256.

The previous prime is 140031211. The next prime is 140031233. The reversal of 140031212 is 212130041.

140031212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140031211) by changing a digit.

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, 11348 + ... + 20219.

It is an arithmetic number, because the mean of its divisors is an integer number (20440280).

Almost surely, 2^140031212 is an apocalyptic number.

It is an amenable number.

140031212 is a deficient number, since it is larger than the sum of its proper divisors (105252148).

140031212 is a wasteful number, since it uses less digits than its factorization.

140031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32680 (or 32678 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140031212 is about 11833.4784404249. The cubic root of 140031212 is about 519.2879949669.

Adding to 140031212 its reverse (212130041), we get a palindrome (352161253).

The spelling of 140031212 in words is "one hundred forty million, thirty-one thousand, two hundred twelve".