40113312212 has 12 divisors (see below), whose sum is σ = 70200308640. Its totient is φ = 20056081176.

The previous prime is 40113312209. The next prime is 40113312233. The reversal of 40113312212 is 21221331104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39089 + ... + 285927.

It is an arithmetic number, because the mean of its divisors is an integer number (5850025720).

Almost surely, 2^40113312212 is an apocalyptic number.

It is an amenable number.

40113312212 is a deficient number, since it is larger than the sum of its proper divisors (30086996428).

40113312212 is a wasteful number, since it uses less digits than its factorization.

40113312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287470 (or 287468 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40113312212 its reverse (21221331104), we get a palindrome (61334643316).

The spelling of 40113312212 in words is "forty billion, one hundred thirteen million, three hundred twelve thousand, two hundred twelve".