4040512401212 has 24 divisors (see below), whose sum is σ = 8084521697280. Its totient is φ = 1730898837360.

The previous prime is 4040512401193. The next prime is 4040512401269. The reversal of 4040512401212 is 2121042150404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31156412 + ... + 31285827.

It is an arithmetic number, because the mean of its divisors is an integer number (336855070720).

Almost surely, 2^{4040512401212} is an apocalyptic number.

It is an amenable number.

4040512401212 is an abundant number, since it is smaller than the sum of its proper divisors (4044009296068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040512401212 is a wasteful number, since it uses less digits than its factorization.

4040512401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62444561 (or 62444559 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 4040512401212 its reverse (2121042150404), we get a palindrome (6161554551616).

The spelling of 4040512401212 in words is "four trillion, forty billion, five hundred twelve million, four hundred one thousand, two hundred twelve".