40333121213 has 16 divisors (see below), whose sum is σ = 50618480640. Its totient is φ = 31220262000.

The previous prime is 40333121201. The next prime is 40333121263. The reversal of 40333121213 is 31212133304.

It is a cyclic number.

It is not a de Polignac number, because 40333121213 - 2⁸ = 40333120957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40333121263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1722833 + ... + 1746086.

It is an arithmetic number, because the mean of its divisors is an integer number (3163655040).

Almost surely, 2^40333121213 is an apocalyptic number.

It is an amenable number.

40333121213 is a deficient number, since it is larger than the sum of its proper divisors (10285359427).

40333121213 is a wasteful number, since it uses less digits than its factorization.

40333121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469088.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40333121213 its reverse (31212133304), we get a palindrome (71545254517).

The spelling of 40333121213 in words is "forty billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred thirteen".