40013222012 has 6 divisors (see below), whose sum is σ = 70023138528. Its totient is φ = 20006611004.

The previous prime is 40013221993. The next prime is 40013222027. The reversal of 40013222012 is 21022231004.

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 as a sum of consecutive naturals, namely, 5001652748 + ... + 5001652755.

It is an arithmetic number, because the mean of its divisors is an integer number (11670523088).

Almost surely, 2^40013222012 is an apocalyptic number.

It is an amenable number.

40013222012 is a deficient number, since it is larger than the sum of its proper divisors (30009916516).

40013222012 is a wasteful number, since it uses less digits than its factorization.

40013222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003305507 (or 10003305505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40013222012 its reverse (21022231004), we get a palindrome (61035453016).

The spelling of 40013222012 in words is "forty billion, thirteen million, two hundred twenty-two thousand, twelve".