40223132521213 has 16 divisors (see below), whose sum is σ = 41635926316080. Its totient is φ = 38812062747136.

The previous prime is 40223132521193. The next prime is 40223132521223. The reversal of 40223132521213 is 31212523132204.

It is a happy number.

40223132521213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 7378622515044 + 32844510006169 = 2716362^2 + 5731013^2 .

It is a cyclic number.

It is not a de Polignac number, because 40223132521213 - 2²⁵ = 40223098966781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223132521223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 549963195 + ... + 550036327.

It is an arithmetic number, because the mean of its divisors is an integer number (2602245394755).

Almost surely, 2^{40223132521213} is an apocalyptic number.

It is an amenable number.

40223132521213 is a deficient number, since it is larger than the sum of its proper divisors (1412793794867).

40223132521213 is a wasteful number, since it uses less digits than its factorization.

40223132521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84656.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 40223132521213 its reverse (31212523132204), we get a palindrome (71435655653417).

The spelling of 40223132521213 in words is "forty trillion, two hundred twenty-three billion, one hundred thirty-two million, five hundred twenty-one thousand, two hundred thirteen".