40004042312212 has 24 divisors (see below), whose sum is σ = 76379984755200. Its totient is φ = 18181600536960.

The previous prime is 40004042312161. The next prime is 40004042312309. The reversal of 40004042312212 is 21221324040004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50982708 + ... + 51761419.

It is an arithmetic number, because the mean of its divisors is an integer number (3182499364800).

Almost surely, 2^{40004042312212} is an apocalyptic number.

It is an amenable number.

40004042312212 is a deficient number, since it is larger than the sum of its proper divisors (36375942442988).

40004042312212 is a wasteful number, since it uses less digits than its factorization.

40004042312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102752991 (or 102752989 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40004042312212 its reverse (21221324040004), we get a palindrome (61225366352216).

The spelling of 40004042312212 in words is "forty trillion, four billion, forty-two million, three hundred twelve thousand, two hundred twelve".