140012211 has 4 divisors (see below), whose sum is σ = 186682952. Its totient is φ = 93341472.

The previous prime is 140012149. The next prime is 140012237. The reversal of 140012211 is 112210041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112210041 = 3 ⋅37403347.

It is not a de Polignac number, because 140012211 - 2¹¹ = 140010163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140012281) 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, 23335366 + ... + 23335371.

It is an arithmetic number, because the mean of its divisors is an integer number (46670738).

Almost surely, 2^140012211 is an apocalyptic number.

140012211 is a deficient number, since it is larger than the sum of its proper divisors (46670741).

140012211 is an equidigital number, since it uses as much as digits as its factorization.

140012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46670740.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 140012211 is about 11832.6755638782. The cubic root of 140012211 is about 519.2645063047.

Adding to 140012211 its reverse (112210041), we get a palindrome (252222252).

The spelling of 140012211 in words is "one hundred forty million, twelve thousand, two hundred eleven".