140412212 has 24 divisors (see below), whose sum is σ = 251082720. Its totient is φ = 68685920.

The previous prime is 140412199. The next prime is 140412221. The reversal of 140412212 is 212214041.

It is a congruent number.

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, 52262 + ... + 54882.

It is an arithmetic number, because the mean of its divisors is an integer number (10461780).

Almost surely, 2^140412212 is an apocalyptic number.

It is an amenable number.

140412212 is a deficient number, since it is larger than the sum of its proper divisors (110670508).

140412212 is a wasteful number, since it uses less digits than its factorization.

140412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140412212 is about 11849.5658992218. The cubic root of 140412212 is about 519.7585318730.

Adding to 140412212 its reverse (212214041), we get a palindrome (352626253).

The spelling of 140412212 in words is "one hundred forty million, four hundred twelve thousand, two hundred twelve".